Question

what is combination reaction and give some example​

Answer 1

Answer:

Combination reaction :- A type of reaction in which two or more substances(element, compound) combines to form a single compound.

Example:-

1) CaO + H2O ---> CA(OH)2

2) H2 + O2 ----> H20

3) C + O2 ------> Co2

Answer 2

Answer:

When a combination reaction occurs between a metal and a non-metal the product is an ionic solid. An example could be lithium reacting with sulphur to give lithium sulphide.