Reaction of silver nitrate with sodium chloride to give silver chloride and sodium nitrate is an example for
Decomposition
Double decomposition
Combination
Displacement reaction
The type of chemical change in CuCO3 → CuO + CO2 is
Displacement
The coolant used in nuclear reactor is
Tritium
Thorium
Uranium
Water
When Zinc is added to dilute hydrochloric acid, the gas liberated is
Hydrogen
Oxygen
Chlorine
Nitrogen
Metal reacts with hydrogen to form
Hydrates
Hydrides
Oxides
Hydroxides
Mutual exchange of elements or radicals by two substances is known as
Calcium hydroxide is formed from
CaO
CaCO3
CaSO4
CaCl2
Reaction of Zinc on Copper sulphate is an example for
When lead nitrate is heated, a reddish brown gas evolved is
Nitrogen dioxide
Nitrogen oxide
Bromine
Nitrous oxide
Decomposition of Phosphorus pentachloride is