Q.1.
The substances whose compositions are not uniform and different components are mixed are called _______
Q.2.
A ________ is made up of two or more pure substances which may be in any ratio.
Q.3.
Matter can be divided into two types i.e. mixture and pure substance.
Q.4.
Which of the following is not a pure substance?
Q.5.
What are pure substances classified as?
Q.6.
When two or more atoms of different elements combine with each other in a fixed ratio, the molecule of a ____ is obtained.
Q.7.
Compounds cannot be separated by chemical methods.
Q.8.
Point out an example of a compound.
Q.9.
Which among the three states of matter has a definite shape and size?
Q.10.
Water is a/an _______