Question

Choose the correct option.
1. Calcium is
a. monovalent.
b. bivalent.
c. trivalent.


2. SO ²4 is a
a. basic radical.
b. simple radical.
c. compound radical

3. Quicklime contains
a. calcium and oxygen.
b. hydrogen and oxygen.
c. calcium and hydrogen​

Answer 1

Instagram account please ....,......

Answer 2

Answer:1. (b) bivalent

2. (C) compound radical

3. (A) calcium and oxygen

Explanation: