Q.1.
Which of these substances is a mixture?
Q.2.
The name given to the liquid which dissolves the solid in a solution is .......
Q.3.
In a solution made by dissolving a solid in a liquid, the hotter the solvent .......
Q.4.
The method used to separate coloured dyes in ink is .......
Q.5.
Alloys are mixtures of metals. Which is NOT an alloy?
Q.6.
The best description of a mixture is .......
Q.7.
Air is a mixture of different gases. Which list consists of gases present in the air?
Q.8.
How would you separate a mixture of iron filings and sulfur?
Q.9.
Which of the following is NOT a mixture?
Q.10.
A pure substance has a melting point which is always .......