Brainscape's Knowledge GenomeTM

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


See full index

Science Final Exam Flash Cards > Finals Exam: Gas Lab Test > Flashcards

Finals Exam: Gas Lab Test Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

Which gas makes up 20% of our air

A

Oxygen

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

Which has filled the Hindenburg blimp

A

Hydrogen

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

Which gas is insoluble in water

A

Hydrogen

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

Which gas can be used as a fuel?

A

Hydrogen

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

Which gas is most soluble in water?

A

Carbon dioxide

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

Which gas turns limewater milky?

A

Carbon dioxide

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

Which gas makes a glowing splint relight?

A

Oxygen

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

Which gas doesn’t burn or support burning?

A

CO2

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

Which gas is colorless, odorless, and tasteless

A

Carbon dioxide, hydrogen, and oxygen

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

Which gas/gases made the burning splint go out?

A

Oxygen and carbon dioxide

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

Which gas can be used as a fire extinguisher?

A

Carbon dioxide

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

Which gas is less dense than air and water?

A

Hydrogen

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

Which gas is denser than air and water

A

None, because if any of them were denser than air, the experiment wouldn’t work

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

Which acid turned blue litmus paper pink in the gas labs?

A

Hydrochloride acid

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

What is the formula for marble chips?

A

CaCO3

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

What is a dark gray powder that does not get used up in the chemical reaction?

A

Manganese Oxide/ MnO2

17
Q

What combines with zinc metal to release hydrogen gas

A

Hydrochloric acid

18
Q

What naturally breaks down to form water and oxygen

A

H2O2

19
Q

What is the catalyst in the preparation of oxygen?

A

MnO2/Manganese Oxide

20
Q

The word invert means?

A

To turn upside down

21
Q

The arrow in a chemical equation means?

A

Yields or produces

22
Q

Chemical equations must be balanced bc?

A
  1. Matter cannot be created or destroyed
  2. We have to start with the same number of atoms we end with
  3. The term equation means that there are equal number on both sides of the reaction
23
Q

The combination of Zn + HCL is used to produce?

A

Hydrogen

24
Q

Ca(OH)2 is the formula for?

A

Calcium hydroxide ( limewater )

25
Q

How can we prove that there is carbon dioxide in our breath?

A

Breathe into limewater

26
Q

It is important to set up all connections tightly in the experiment because?

A
  1. Gas could leak for the gas generating bottle
  2. Gas will not travel to the trough
27
Q

What proves that all 3 of the gases are less dense than water

A

The bubbles that moved up the test tube as we collected the gas

28
Q

What supports the fact that carbon dioxide is soluble in water?

A

It is in soda

29
Q

What wasn’t part of the lab procedure for the gas lab unit?

A

Testing the gases with pH paper

Science Final Exam Flash Cards (7 decks)

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