Question

WHAT DO YOU MEAN BY A CHEMICAL SUBSTANCE?

Answer 1

Answer:

Chemical Substances

• Chemical substances are made of atoms and molecules.

• Chemical substances are divided into

1. Pure substances
2. Mixtures.

• A pure substance consists of a single type of particles. That is all the constituent particles of that substance are the same in their chemical nature

eg: Sugar, salt etc

• Mixtures consists of two or more substances simply mixed together, but not chemically combined.

eg: Soil,soft drinks, air, smoke etc

Answer 2

Answer:

those substances which take part in chemical reactions are called chemical substances.