EASY
Earn 100

What is the common name of copper sulphate heptahydrate ?
Important Questions on Chemical Reactions and Equations
MEDIUM
Aluminium + Copper chloride → Aluminium chloride + Copper

HARD
Potassium bromide Barium iodide Potassium iodide Barium bromide

MEDIUM
Hydrogen Chlorine Hydrogen chloride

HARD
Calcium hydroxide + Carbon dioxide Calcium carbonate + Water

HARD
Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.

MEDIUM

HARD

MEDIUM
Sodium hydroxide solution (in water) reacts with hydrochloric acid solution (in water) to produce sodium chloride solution and water.

HARD
Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride

MEDIUM
Hydrogen sulphide gas burns in air to give water and sulphur dioxide.

MEDIUM

HARD
Zinc + Silver nitrate → Zinc nitrate + Silver

MEDIUM

MEDIUM

HARD
Solutions of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and the solution of sodium chloride.

HARD

MEDIUM

HARD
Barium chloride Aluminium sulphate Barium sulphate Aluminium chloride

MEDIUM
Hydrogen gas combines with nitrogen to form ammonia.

MEDIUM
Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.

