Chemistry
Answer
(a) Electrolyte is a compound which either in aqueous solution or in molten state allow electric current to pass through it.
(b) The property of self linking of atoms of an element through covalent bonds in order to form straight chains, branched chains and cyclic chains of different sizes is known as catenation.
Related Questions
Nitrogen and hydrogen combine in the presence of a catalyst to give ammonia gas. With reference to the above reaction:
(a) Name the catalyst used.
(b) At what temperature does the above reaction occur?
(c) What optimum pressure should be maintained during the reaction?
1 mole of CO2 occupies 24 dm3 at room temperature and pressure. Calculate the following:
(a) The mass of 6 litres of CO2.
(b) The volume occupied by 60 g of CO2.
[Atomic weight: C=12, O=16]
Name the most appropriate method of preparation of the following salts:
(a) Copper carbonate
(b) Sodium sulphate
(c) Ferric chloride