Entry Test MCQ :: Chemical Equilibrium

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31.

Solution having the property of a very little change in pH on adding a small amount of strong acid or base is called

A.	buffer solution	B.	normal solution
C.	standard solution	D.	neutral solution

32.

Addition of CH3COOH and CH3COONa gives in water

A.	Standard solution	B.	buffer solution
C.	acidic buffer solution	D.	both b & c

33.

Which one of the following is a buffer solution?

A.	brine	B.	blood
C.	glue	D.	solution of CuSO4

34.

Solubility of any salt can be determined from

A.	Ka	B.	Kb
C.	Kc	D.	Ksp

35.

The pH of human blood is

A.	7	B.	7.35
C.	7.5	D.	7.8

36.

By decreasing the pressure the reaction will go to that direction where

A.	volume is decreased	B.	volume increased
C.	heat absorbed	D.	no. of moles of specie decreased

37.

Equilibrium state is achieved quickly by the addition of.

A.	reactants	B.	acid
C.	base	D.	catalyst