Solutions Test 4

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A test from chapter 9 i.e Solutions of Chemistry part 1. This is Free online test for FSc and Entry test Preparation for UET, NUST, FAST, GIKI, PIEAS, NFC, Punjab University, UHS, other Engineering Universities and Medical Colleges.

1. Which one of the following salts will not hydrolyse

A) NaCl
B) AlCl3
C) Na2CO3
D) CH3COONa

2. The sum of mole fractions (X) of components of a solution is equal to

A) 100
B) 200
C) 1
D) 0

3. Which pair of mixture is called idea solution

A) nicotine–water
B) chlorobenzene & bromobenzene
C) water–ether
D) water–alcohol

4. The vapour pressure of aqueous solution of sugar solution is

A) equal to vapour pressure of water
B) more than vapour pressure of pure water
C) less than vapour pressure of pure water
D) none

5. When NaCl is dissolved in water

A) melting point decrease
B) boiling point decrease
C) both melting and boiling point decrease
D) none

6. The solution which distils without change in composition is called

A) unsaturated solution
B) saturated solution
C) zeotropic mixture
D) azeotropic mixture

7. Solubility curve of Na2SO4 10 . H2O shows

A) constant increase of solubility
B) constant decrease of solubility
C) discontinuous solubility with temp
D) none

8. Use of glycol as antifreeze in the automobile is an important application of

A) colligative property
B) Roault’s law
C) fractional crystallization
D) hydrolysis

9. Use of NaCl in ice cream making is an important application of

A) constitutive property
B) additive property
C) colligative property
D) Roault’s law

10. Which one of the following solutions will have higher vapour pressure than that of water

A) aqueous solution of CH3OH
B) aqueous solution of H2SO4
C) aqueous solution of sugar
D) aqueous solution of urea