Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

PCP > Trivias > Flashcards

Trivias Flashcards

1
Q

Metal with highest Melting Point (3422C)

A

Tungsten

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

3 Magnetic Metals

A

Iron, Cobalt, Nickel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Coinage Metals

A

Copper, Silver, Gold

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Most abundant metal

A

Aluminum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

3rd most abundant element in earth’s crust

A

Aluminum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Most abundant in the Earth Atmosphere

A

Nitrogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Most abundant element in Earth’s Crust

A

Oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Most abundant element in Human Body

A

Oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Element with Lowest Boiling Point (-269C)

A

Helium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

First Element to be produced artificially

A

Technitium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Mass production of Steel

A

Bessemer Process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Element with the largest number of stable isotopes (10 stable isotopes)

A

Tin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

A Radioactive Element which is used to be used to make glow in the dark paint

A

Radium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

2nd most abundant element in the Earth’s Crust

A

Silicon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Phosphorus containing _______ compound make up 70% of human bone

A

Calcium Phosphate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Estimated amount of Astatine in the Earth’s Crust at any one time

A

1 Gram

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

2nd most abundant element in the Universe

A

Helium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Rarest naturally occurring Element

A

Berkelium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Used for Nuclear Power

A

Uranium and Plutonium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Won Nobel Prize for work on radioactivity and also discovered Polonium and Radium

A

Marie Curie

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Developed general theory of relativity and won Nobel prize for work on photoelectric effect

A

Albert Einstein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Won Nobel prize for work on radioactivity and also constructed the first nuclear reactor

A

Enrico Fermi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Created the Modern Periodic Table and used it to predict properties of undiscovered elements

A

Dmitri Mendeleev

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

The inventor of Dynamite and left his fortune after his death to found the Noble prizes

A

Alfred Nobel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Won a Nobel prize for the invention of the Cyclotron, a type of particle accelerator

A

Ernest Lawrence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Phosphorescent ________ compounds are used in Anti-Counterfeit Bank Notes

A

Europium and Terbium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Used to make the magnets found in electric guitar pick-ups

A

Samarium and Cobalt Alloy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Used to make the strongest permanent magnets found in loudspeakers and in headphones

A

Neodymium Alloys

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Won a Nobel prize for work on radioactivity and developed the orbital theory of the atom

A

Ernest Rutherford

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Won a Nobel prize for his work on the synthesis and chemistry of ten of the transition elements

A

Glenn Seaborg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Won a Nobel prize for developing the Bohr Model of the Atom, with electrons orbiting the nucleus

A

Niels Bohr

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Worked on radioactivity and nuclear physics and was part of the team that discovered nuclear fission

A

Lise Meitner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Won the first Nobel prize in physics in 1903 for his discovery of x-rays

A

Wilhem Rontgen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Mathematician and Astronomer who formulated a heliocentric model of the universe

A

Nicolaus Copernicus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

The only liquid metal at room temperature

A

Mercury

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Mass ratio of moon to the earth

A

0.0123

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Volume ratio of moon to the earth

A

0.0203

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

pH of Blood

A

7.35 - 7.45

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

pH of Gastric Juice

A

1.5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

% Argon in Air

A

0.99%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Used to test drivers suspected of being drunk

A

Breathalyzer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

A procedure that detects Arsenic

A

Marsh Test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Can detect the age of the artifact from Archeological excavation

A

Radiocarbon Dating Technique

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

The nickname of a subatomic particle called the Higgs boson

A

God Particle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Substance made by combining mercury with another metal/s

A

Amalgam

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Coldest state of matter. It defies gravity and instead of flowing down, it flows upward.

A

Bose-Einstein Condensate (superfluid)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

A better conductor of electricity and heat than any material

A

Graphene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

The most expensive substance in the world ($68M/1gram)

A

Californium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

He discovered Deuterium

A

Harold C. Urey

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Only letter not appearing on the Priodic Table

A

J

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

First compound with a Noble Gas. It was produced by Neil Bartlett in 1962.

A

Xenon Hexafluoroplatinate (XePtF6)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

First Person to receive Nobel prize in Chemistry

A

Van’t Hoff

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Mass ratio of Sun to Earth

A

333,000

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

He discovered Positron

A

Carl Anderson

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Also known as Caustic Potash. Used to absorb CO2 in the orsat analyzer

A

Potassium Hydroxide (KOH)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

Used to absorb free O2 in the orsat analyzer

A

Pyrogallol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Used to absorb CO in the orsat analyzer

A

Ammoniacal Cuprous Chloride

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

Bacteria used in the production of Pickles

A

Lactic Acid Bacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

Contains peanuts as an ingredient

A

Dynamite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

Metal which melts on palm of the hand due to its low melting point (29.76C)

A

Gallium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

Hot water freezes faster than cold water

A

MPEMBA effect

62
Q

Element that does not solidify

A

Helium

63
Q

Rarest element on earth (~28g in the Earth’s entire crust)

A

Astatine

64
Q

The burning sensation we get from chilli peppers is because of a chemical called

A

Capsaicin

65
Q

It is the softest substance

A

Talc

66
Q

LASER

A

Light Amplification by Stimulated Emission of Radiation

67
Q

Commercial Cold Packs consist of ________ and water.

A

Solid Ammonium Nitrate

68
Q

In May 13, 2014, a coal mine explosion occurred in Soma, Manisa, Turkey caused by an underground mine fire two kilometers below the surface. There are 787 workers present during the disaster and 301 of them died. What is the cause of their death?

A

CO Poisoning

69
Q

Hawks Nest Tunnel Disaster (1927-1932), is caused by a hydroelectric project in West Virginia and is considered one of the worst industrial disasters in American History. Within the given years, 476 workers died from silicosis, a lung diseases caused by inhalation of crystalline silica dust. What is the other name for silicosis?

A

Miner’s Phthisis,
Grinder’s Asthma,
Potter’s Rot

70
Q

A boiler explosion killed 23 workers in Gazipur , Bangladesh. The boiler triggered a fire which spread to the surrounding areas and collapsed part of a four storey building. When did this occur?

A

September 10, 2016

71
Q

Hydroquinone is used to/in

A

Lighten Skin

72
Q

In 2013, Francois Englert and Peter W. Higgs won the 2013 Nobel Prize in Physics for the discovery of the Higgs boson or “The God Particle.” In achieving their discovery, they used a particle accelerator called

A

Large Hadron Collider

73
Q

What is the name of the tallest skyscraper in Thailand opened last August 2016, with a height equivalent to 314 m?

A

MahaNakhon

74
Q

North American X-15 is a hypersonic rocket-powered aircraft and is considered as the fastest aircraft. What is its mach number?

A

6.7

75
Q

A solid mass product from the Chernobyl Disaster made from melted nuclear fuel with lots of concrete, sand, and core sealing material that the fuel had melted through. What do you call this material that is considered one the most dangerous things in the world for it still emits radiation?

A

Elephant’s Foot

76
Q

The material invented by Charles Goodyear in 1839 by making natural elastomer more durable by the addition of sulfur or other curatives or accelerators.

A

Vulcanized Rubber

77
Q

Father of Chemical Engineering

A

George Edward Davis

78
Q

Father of Modern Chemical Engineering

A

Warren Lewis

79
Q

Strongest material in the Universe

A

Carbyne

80
Q

Color of Fe(III) in a flame test

A

Gold

81
Q

Lack of salt in body is called

A

Hypoantremia

82
Q

Most abundant protein in the human body

A

Collagen

83
Q

What trace metal is found in Vitamin B12

A

Cobalt

84
Q

A cucumber is ___ water

A

96%

85
Q

Herb wormwood is a licorice-anise flavored green liqueur with 68% alcohol content or 132 proof. Herb wormwood’s another name is

A

Absinthe

86
Q

Who discovered Phenolphthalein?

A

Adolf von Baeyer

87
Q

Due to thermal expansion, the Eiffel tower expands in summer by how much?

A

15 cm (6 in)

88
Q

Average weight of an ice berg

A

10 Million Tons

89
Q

Sir William Lawrence Brag was the youngest person to receive the Nobel Prize in Physics for his discovery of X-ray crystallography. How old was he when he received his Nobel Prize?

A

25

90
Q

The only rock that floats in water

A

Pumice

91
Q

The coldest known place in the universe (-458 deg. F)

A

Boomerang Nebula

92
Q

The average time is takes for a blood to circulate around the human body

A

20 seconds

93
Q

A cheetah can accelerate from __ to __ km/h in 3 seonds

A

0 to 70kph

94
Q

A human brain is __% water

A

75%

95
Q

Phosphorus Fertilizers are derived from

A

Fluorapatite

96
Q

It is a technique in which laser light is directed at a beam of atoms, hitting them head on and dramatically slowing them down

A

Laser Cooling

97
Q

The pressure needed to produce snow from a snow making machine. (Mixture of Compressed air and water vapor)

A

20 atm

98
Q

First known LASER

A

Ruby Laser

99
Q

An egg is ___% Calcium

A

45%

100
Q

_______ acts as a kind of cement to keep ocean floor sediments together

A

Methane Hydrate

101
Q

The time it takes for the light from sun to reach the earth

A

8 min 20 seconds

102
Q

The country (and its territories) with the most time zones (12 time zones)

A

France

103
Q

1 eon is equivalent to

A

1 Billion Years

104
Q

What is the 5th most abundant gas in the atmosphere?

A

Neon

105
Q

Ultraviolet-B has a wavelength with a range of

A

280 - 315nm

106
Q

Average ozone has a thickness of 300 du. Ozone layer is considered an ozone hole if it has a thickness less than ____.

A

220 du

107
Q

Who discovered CFC’s in 1929?

A

Midgeley

108
Q

Halophile are “salt loving bacteria.” They can survive a pH up to ___.

A

9.5

109
Q

It is the steroids in plants.

A

Phytosterol

110
Q

It is added to iron in pig iron production to lower the melting point

A

CaO

111
Q

Referred to as Wood Alcohol

A

Methanol

112
Q

Becquerel used ____ in his discovery of radioactive rays.

A

Potassium Uranyl Sulfate

113
Q

Graphite is transformed into diamond at _____.

A

3,000C and 100,000 atm

114
Q

It occurs when the melanocyte cells in the skin grow in cluster instead of being spread throughout the body.

A

Moles

115
Q

If your body mass is 70 kilograms, approximately how many golds you possess inside your body?

A

0.2 mg

116
Q

What is the diameter of your hair strand?

A

100 nm

117
Q

The deadliest element. It pretends to be Potassium, so it can slink into the cells of our bodies then it breaks down the amino acids bonds within our proteins and we depart from this life.

A

Thorium (Th)

118
Q

This element smells like garlic when heated.

A

Tellurium (Te)

119
Q

Component of chocolate and cocoa products that can kill your dogs due to the slow metabolism of this compound.

A

Xantheose

120
Q

What is the symbol for Deuterium?

A

D

121
Q

How many constitutional isomers does Hexane have?

A

5

122
Q

Acid obtained by distillation of the bodies of ants.

A

Formic Acid (CH2O2)

123
Q

What is the Strongest Base?

a. H2O
b. HSbF6
c. CH3CH3
d. OH-

A

CH3CH3

124
Q

What chemical test is used to test for sugars in food?

A

Benedict’s Solution

125
Q

Fuel with the lowest octane number of zero.

A

Iso-octane

126
Q

This chemical is responsible for the tears you cry when chopping onions.

A

Propanethial S-oxide

127
Q

This popular comfort food has an active ingredient called phenylethylamine.

A

Chocolate

128
Q

The first fullerenes to be discovered were found inside of the laboratory, but they exist in trace amounts in nature as well. Where might you find buckyballs in your house?

A

Fireplace

129
Q

How many grams of gold can be found in each liter of seawater?

A

13 billionth

130
Q

It is the only metal that is naturally antibacterial.

A

Copper (Cu)

131
Q

China’s 10.3-meter-long space station that aimlessly drifts out of control in space and is likely to crash on Earth by 2017.

A

Tiangong-1

132
Q

America is planning for a manned Mars mission flight in what year?

A

2020

133
Q

This new law in the Philippines is requiring speed limiters to be installed in PUVs and vehicles.

A

RA 10916

134
Q

The newly discovered planet, Proxima b is found specifically in __________.

A

Proxima Centauri

135
Q

Proxima b is neither so hot that water evaporates, nor so cold that it freezes solid. Thus, they described the planet as “________” sweet spot.

A

Goldilocks

136
Q

On September 1, 2016, an unmanned rocket was exploded during a test at Cape Canaveral in Florida. This rocket is ____________.

A

Space X Falcon 9

137
Q

Ozone Day or __________ is about promoting activities in accordance with the objectives of the Montreal Protocol and its amendments.

A

International Day for the Preservation of Ozone Layer

138
Q

This small, intense storms over the ocean could help detect earthquakes.

A

Weather Bomb

139
Q

Teeth of this animal specie provide new materials for the wide range of application from surgery to packaging.

A

Squid

140
Q

Percentage of phosphorus in human body.

A

1% (w/w)

141
Q

This plant specie discovered in the Philippines is known as the metal-eating plant.

A

Rinorea Niccolifera

142
Q

Annual solar eclipse happens every ____.

A

18 months

143
Q

It is the closest star to Earth which is about 93 million miles away.

A

Sun

144
Q

The temperature of the sun’s core is ____.

A

15 Million deg C

145
Q

Chemical Name of Vitamin B12

A

Cyanocabalamin

146
Q

Who discovered waterproof rubber?

A

Charles Macintosh

147
Q

Maximum desirable limit Bureau of Indian Standards (BIS) of lead in drinking water.

A

0.05 mg/L

148
Q

Acid used mostly for removal of milk stone.

A

Nitric Acid

149
Q

Calgon is used for the removal of

A

Permanent hardness of water

150
Q

A solar cell converts the sunlight directly into ____ energy.

A

Electrical

PCP (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions