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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