Chemistry
Give an example of each:
Combination reaction in which:
(i) An element of valency 3 combines with nitrogen.
(ii) A non-metal oxide reacting with water to form an acid.
(iii) A metal oxide reacting with water to form its hydroxide.
Related Questions
State the changes observed in the following chemical reactions.
(a) A small piece of sodium is dropped in water.
(b) Few iron filings are added to blue copper sulphate solution.
(c) Water is added to quick lime (CaO).
(d) Hydrochloric acid is added to metal sulphide.
State the type of reactions and give one equation in each case.
(a) Two or more reactants combine to form a single product.
(b) A single reactant breaks up into two or more products.
Give an example of each:
Write the decomposition reactions for the following:
(i) Metallic oxide on heating forms metallic oxide and oxygen.
(ii) A compound on heating gives a gas which turns lime water milky.
(iii) A white hydroxide on heating gives a yellow residue and water vapours.
Write the reaction for the decomposition of a nitrate which does not yield nitrogen dioxide on heating.