EASY
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What is the common name of copper sulphate heptahydrate ?

Important Questions on Chemical Reactions and Equations

MEDIUM
Write the balanced chemical equations for the following reaction:
Aluminium + Copper chloride → Aluminium chloride + Copper
HARD
Write the balanced chemical equation for the following and identify the type of reaction:
Potassium bromide aq+ Barium iodide aq Potassium iodide (aq)+ Barium bromide s
MEDIUM
Write the balanced equation for the following chemical reaction and identify the type of the reaction:
Hydrogen + Chlorine Hydrogen chloride
HARD
Write the balanced chemical equations for the following reaction:
Calcium hydroxide + Carbon dioxide Calcium carbonate + Water
HARD
Translate the following statement into chemical equation and then balance it:
Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.
MEDIUM
What is a balanced chemical equation? Why should chemical equations be balanced?
HARD
Write the balanced chemical equation for the following and identify the type of reaction:
Zinc carbonate(s) Zinc oxide (s)+ Carbon dioxide (g)
MEDIUM
Write the balanced chemical equation with state symbols for the following reaction:
Sodium hydroxide solution (in water) reacts with hydrochloric acid solution (in water) to produce sodium chloride solution and water.
HARD
Write the balanced chemical equations for the following reaction:
Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride
MEDIUM
Translate the following statement into chemical equation and then balance it:
Hydrogen sulphide gas burns in air to give water and sulphur dioxide.
MEDIUM
Balance the following chemical equation:
NaCl+AgNO3AgCl+NaNO3
HARD
Write the balanced chemical equations for the following reaction:
Zinc + Silver nitrate → Zinc nitrate + Silver
MEDIUM
Balance the following chemical equation:
NaOH+H2SO4Na2SO4+H2O
MEDIUM
Balance the following chemical equation:
BaCl2+H2SO4BaSO4+HCl
HARD
Write the balanced chemical equation with state symbols for the following reaction:
Solutions of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and the solution of sodium chloride.
HARD
Balance the following chemical equation:
HNO3+CaOH2CaNO32+H2O
MEDIUM
Why should a magnesium ribbon be cleaned before burning in air?
HARD
Write the balanced equation for the following chemical reaction:
Barium chloride + Aluminium sulphate Barium sulphate + Aluminium chloride
MEDIUM
Translate the following statement into chemical equation and then balance it:
Hydrogen gas combines with nitrogen to form ammonia.
MEDIUM
Translate the following statement into chemical equation and then balance it:
Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.