Question

2.If the components of the substance can be separated by a chemical change only then it is a/an

Answer 1

Answer:

Compounds are substances composed of two or more elements chemically combined that can be separated into simpler substances only by chemical means.

Answer 2

If the components of the substance can be separated by a chemical change only then it is a compound.

• Compounds are those pure substances which are chemically formed in fixed ratios and cannot be separated by physical procedures.
• Only mixtures are separated by simple physical processes like filtration, Chromatography etc.
• Compounds cannot be separated by simple physical processes like filtration etc.
• Chemical compounds can only be separated by complex chemical processes like Liquation, Distillation etc.