Question

Please tell the Ans.

Answer 1

Calcium carbonate is a compound because it cannot be separated by physical methods.
Yes compounds are homogenous
Homogenous mixtures are those mixtures which have same composition throughout. Eg-compounds, solutions.
An ex of heterogenous mixture is chalk and water mixture.

Answer 2

1.yes
2.yes
Sometimes, homogeneous mixtures are called solutions. Liquid examples include pure water, white vinegar, sugar water, corn oil, and blood plasma. Surprisingly, homogeneous mixtures are not limited to liquids, they can also be gases and solids.