Question

4. What are compounds? Name any four compounds.​

Answer 1

Answer:

a pure

substance which is composed of two or more element combined chemically in a definite ratio such that it can be broken into element only by chemical means is called compound

Explanation:

examples

$nitrogen \: oxide$

$water$

$co2$

$no2$

Answer 2

Answer:

Those subs which can split into two or more simpler substances by chemical means are called compounds

elements combine together to form compounds.

eg-H2O , CaCO3 , H2S ,CO2