General Knowledge Flashcards
Hydrochloric acid
HCl
Example sentence: Hydrochloric acid is a strong acid commonly used in laboratory experiments.
Nitric acid
HNO3
Example sentence: Nitric acid is a highly corrosive acid used in the production of fertilizers.
Sulfuric acid
H2SO4
Example sentence: Sulfuric acid is used in car batteries and as a cleaning agent.
Sodium hydroxide
NaOH
Example sentence: Sodium hydroxide is a strong base used in soap making.
Potassium hydroxide
KOH
Example sentence: Potassium hydroxide is used in the production of biodiesel.
Ammonia
NH3
Example sentence: Ammonia is a common household cleaner.
Hydrogen
H+
Example sentence: Hydrogen ions are involved in acid-base reactions.
Chloride
Cl-
Example sentence: Chloride ions are found in table salt.
Lithium
Li+
Example sentence: Lithium ions are used in rechargeable batteries.
Bromide
Br-
Example sentence: Bromide ions are sometimes used in photography.
Sodium
Na+
Example sentence: Sodium ions are important for nerve function.
Iodide
I-
Example sentence: Iodide ions are essential for thyroid function.
Potassium
K+
Example sentence: Potassium ions are important for muscle function.
Oxide
O2-
Example sentence: Oxide ions are involved in the formation of rust.
Silver
Ag+
Example sentence: Silver ions are used in photography and jewelry making.
Sulphide
S2-
Example sentence: Sulphide ions are found in minerals like pyrite.
Magnesium
Mg2+
Example sentence: Magnesium ions are important for enzyme function.
Calcium
Ca2+
Example sentence: Calcium ions are essential for bone health.
Zinc
Zn2+
Example sentence: Zinc ions are important for immune function.
Ammonium
NH4+
Example sentence: Ammonium ions are commonly found in fertilizers.
Copper (II)
Cu2+
Example sentence: Copper (II) ions are used in electrical wiring.
Hydroxide
OH-
Example sentence: Hydroxide ions are found in bases.
Iron (II)
Fe2+
Example sentence: Iron (II) ions are involved in oxygen transport in the blood.
Nitrate
NO3-
Example sentence: Nitrate ions are essential for plant growth.
Iron (III)
Fe3+
Example sentence: Iron (III) ions are used in the production of steel.
Carbonate
CO32-
Example sentence: Carbonate ions are found in limestone and coral reefs.
Aluminium
Al3+
Example sentence: Aluminium ions are used in various industrial applications.
Sulphate
SO42-
Example sentence: Sulphate ions are commonly found in minerals and soil.
Magnesium chloride
MgCl2
Example sentence: Magnesium chloride is used as a supplement for magnesium.
Sodium oxide
Na2O
Example sentence: Sodium oxide is used in the production of glass.
Iron (III) oxide
Fe2O3
Example sentence: Iron (III) oxide is commonly known as rust.
Calcium hydroxide
Ca(OH)2
Example sentence: Calcium hydroxide is used in agriculture to adjust soil pH.
Ammonium sulphate
(NH4)2SO4
Example sentence: Ammonium sulphate is used as a fertilizer in agriculture.
Aluminium carbonate
Al2(CO3)3
Example sentence: Aluminium carbonate is used in the manufacturing of ceramics.
Define ‘element’
A substance made up of only one type of atom, all with the same number of protons.
Definition provided.
Define ‘molecule’
Two or more atoms connected by chemical bonds.
Definition provided.
Define ‘compound’
A substance made up of two or more elements connected by chemical bonds.
Definition provided.
Are sodium, potassium, and ammonium salts soluble in water?
Yes
Are nitrates soluble in water?
Yes
Are chlorides soluble in water?
Mostly, yes
Are sulfates soluble in water?
Mostly, yes
Are silver and lead chlorides soluble in water?
No
Are lead, barium, and calcium sulfates soluble in water?
No
Are carbonates soluble in water?
Mostly, no
Are hydroxides soluble in water?
Mostly, no
Which carbonates are soluble?
Sodium, potassium, and ammonium
Which hydroxides are soluble?
Sodium, potassium, and ammonium
Which chloride ions are insoluble?
Silver and lead
Which sulfates are insoluble?
Lead, barium, and calcium
What are the conditions for RTP?
20 degrees C
101kPa
What are the conditions for STP?
0 degrees C
101kPa
What are standard conditions?
25 degrees C
101 kPa
