Chemistry
Answer the following questions related to salts and their preparations:
(a) What is a 'salt' ?
(b) What kind of salt is prepared by precipitation?
(c) Name a salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.
(d) Name the procedure used to prepare a sodium salt such as sodium sulphate.
Related Questions
Solution P has a pH of 13, solution Q has a pH of 6 and solution R has a pH of 2.
Which solution:
(a) Will liberate ammonia from ammonium sulphate on heating.
(b) is a strong acid?
(c) contains molecules as well as ions?
Define the following and give two examples in each case : (a) a normal salt, (b) an acid salt, (c) a basic salt.
Explain the following methods with examples:
(a) Direct combination
(b) Displacement
(c) Double decomposition (precipitation)
(d) Neutralization of insoluble base
(e) Neutralization of an alkali (titration)
How would you prepare copper sulphate crystals from a mixture of charcoal and black copper oxide.