Free Printable MCQ Test

1.

...................is defined as the no. of gram equivalents of solute present in 1L of solution.

a)

Molality

b)

Normality

c)

Molarity

d)

Mole fraction

2.

Entropy is a measure of ………………energy of a system

a)

unavailable

b)

available

c)

both a & b

d)

none of these

3.

Half-life of first order reaction is given by…………….

a)

t^1/2 = 0.693/k

b)

t^1/2 = k /0.693

c)

t^1/2 = 1/k.a

d)

t^1/2 = 3/2 ka²

4.

Efficiency of heat engine is always ……….

a)

zero

b)

equal to one

c)

greater than one

d)

less than one.

5.

. Gases which obey the gas laws at all temperatures and pressures are

called…………

a)

ideal gases

b)

real gases

c)

non-ideal gases

d)

all of these

6.

Flow of heat from hot to cold body is…….process

a)

natural

b)

spontaneous

c)

non-spontaneous

d)

both a & b

7.

Velocity constant of first order reaction is expressed in ……….unit.

a)

dm³mol^-1 S^-1

b)

mol lit^-1 S^-1

c)

lit^-1 mol^-1 S^-1

d)

Sec^-1

8.

Q.1.Conductivity of electrolytic solutions depends on ..........

a)

(a) ionic speed

b)

(b) number of ions

c)

(c) both (a) and(b)

d)

(d) none of these

9.

Q.2. On dilution equivalent conductivity……………

a)

(a) increases

b)

(b) decreases

c)

(c) remains same

d)

(d) all of these.

10.

Q.3. The substances which conduct electric current are called…………

a)

(a) conductors

b)

(b) insulators

c)

(c) non-electrolytes

d)

(d) semiconductors

11.

Q.4. Conductance is the reciprocal of..........

a)

(a) conductivity

b)

(b) resistance

c)

(c) specific resistance

d)

(d) none of these

12.

Q.5.I=E/R is mathematical expression for…………………... law.

a)

(a) Kohlrausch's

b)

b) Hittorf's

c)

(c) Ohm's

d)

d) Boyle's

13.

Q.6. In case of uni-univalent electrolytes, the equivalent and molecular conductivities are ……

a)

(a) unequal

b)

(b) equal

c)

(c) both a and b

d)

(d) none of these

14.

Q.7. Specific conductivity is expressed in...........unit

a)

(a) ohm-1

b)

(b) mhos

c)

(c) mhos-1

d)

(d) S.m-1

15.

Q.8. Transport number of the cation depends upon the transport number of.. .......... attached to it

a)

(a) cation

b)

(b) molecules

c)

(c) anion

d)

(d) all of these

16.

Q.9. Ebonite is an example of..........

a)

(a) conductor

b)

(b) Insulator

c)

(c) electrolyte

d)

(d) none of these

17.

Q.1.Conductivity of electrolytic solutions depends on ..........

a)

(a) ionic speed

b)

(b) number of ions

c)

(c) both (a) and(b)

d)

(d) none of these

18.

Q.2. On dilution equivalent conductivity……………

a)

(a) increases

b)

(b) decreases

c)

(c) remains same

d)

(d) all of these.

19.

Q.3. The substances which conduct electric current are called…………

a)

(a) conductors

b)

(b) insulators

c)

(c) non-electrolytes

d)

(d) semiconductors

20.

Q.4. Conductance is the reciprocal of..........

a)

(a) conductivity

b)

(b) resistance

c)

(c) specific resistance

d)

(d) none of these

21.

Q.5.I=E/R is mathematical expression for…………………... law.

a)

(a) Kohlrausch's

b)

b) Hittorf's

c)

(c) Ohm's

d)

d) Boyle's

22.

Q.6. In case of uni-univalent electrolytes, the equivalent and molecular conductivities are ……

a)

(a) unequal

b)

(b) equal

c)

(c) both a and b

d)

(d) none of these

23.

Q.7. Specific conductivity is expressed in...........unit

a)

(a) ohm-1

b)

(b) mhos

c)

(c) mhos-1

d)

(d) S.m-1

24.

Q.8. Transport number of the cation depends upon the transport number of.. .......... attached to it

a)

(a) cation

b)

(b) molecules

c)

(c) anion

d)

(d) all of these

25.

Q.9. Ebonite is an example of..........

a)

(a) conductor

b)

(b) Insulator

c)

(c) electrolyte

d)

(d) none of these

26.

Q.10. The cation of the salt in aqueous solution is found to be thrice as fast as anion. The transport number of the cation is...........

a)

(a) 0.75

b)

(b) 3/4

c)

(c) both a &b

d)

(d) none of these.

27.

Q.10. The cation of the salt in aqueous solution is found to be thrice as fast as anion. The transport number of the cation is...........

a)

(a) 0.75

b)

(b) 3/4

c)

(c) both a &b

d)

(d) none of these.

MCQ Test

Total questions: 27

Worksheet time: 12mins

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