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Chemistry - 9 Chapter - 7
Solution and Suspension
Test - 1
1.
Define a solution? ....................... A homogeneous compound of different chemical substances throughout and shows uniform physical characteristics. Solute particles are completely harmonized in the solvent and are not visible by naked eye and ---------- separated by filtration.
a) can be
b) cannot be
2.
What is binary solution?
a) A solution formed by only two substances.
b) A solution formed by more then two substances.
3.
A solution formed by only two substances is a:
a) binary solution
b) chemical solution
c) saturated solution
4.
Define solute?
a) The substance present in relatively lesser amount in a solution.
b) The substance present in relatively more amount in a solution.
5.
Define solvent?
a) Solvent is a substance present in lesser amount in a solution.
b) Solvent is a substance present in excessive amount in a solution.
6.
Solute is a substance in which other substances are dissolved, often a liquid.
a) False
b) True
7.
Sea water contains compounds made from nearly ____ elements.
a) 45
b) 60
c) 50
d) 40
8.
Compounds like sodium chloride are found in abundance in sea water?
a) False
b) True
9.
Define dissolution?
a) Dissolution is the process of dissolving a solute in solvent
b) Dissolution is the process of dissolving a solution in solvent
10.
Preparation of a solution involves chemical reaction
a) True
b) False
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