Question

1. What is a balanced chemical equation? Why should chemical equations be balans
III. Answer the following questions in short:
2. Write the name of the compounds represented by the following formulae
(a) Al (50.),
(b) CaCl,
(C) KNO
(d) Mg(OH)2
(e) Nas
3. An element forms an oxide A20,
(a) What is the valency of the element A?
(b) What will be the formula of the chloride of the element?
4. What are the rules for writing chemical symbols of elements?
5. Explain different types of valencies.
​

Answer 1

Answer:

Explanation:

Where the atom of both reactants and products are equal is call bl.eq