100+ Chemistry Nature of Matter Questions and Answers - 1

Question: 1

What is an element?

An element is a substance that cannot be chemically broken down into simpler substances.

Question: 2

What are the isotopes of hydrogen?

The isotopes of hydrogen are protons, deuterium and tritium.

Question: 3

What is a mixture?

A mixture is made up of two or more elements or compounds when mixed in any ratio physically. Mixtures are classified into homogenous and heterogeneous mixtures.

Question: 4

What is meant by molecular formula?

The molecular formula of a compound is defined as the formula which gives the actual number of atoms of various elements present in one, molecule of the compound.

Question: 5

What are the elements present in sugar?

Carbon, hydrogen and oxygen are the elements present in sugar.

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