Chemistry – Class 11 Mock Test 9

10%

Question 1 of 10

1. The d-form is also known as ____________

dextrorotatory

laevorotatory

l-form

rotatory

Question 1 of 10

Question 2 of 10

2. The purification method where solid substances change from solid to vapor state without passing through the liquid state is called as which of the following?

Differential extraction

Sublimation

Crystallization

Distillation

Question 2 of 10

Question 3 of 10

3. What is the basic structural unit of a silicate?

SiO₄

SiO^-

SiO₄^4-

Si₄^-

Question 3 of 10

Question 4 of 10

4. Paper chromatography is a type of which chromatography?

Adsorption chromatography

Column chromatography

Partition chromatography

Thin layer chromatography

Question 4 of 10

Question 5 of 10

5. Carbocations bear a ______________ charge.

positive

negative

Question 5 of 10

Question 6 of 10

6. Which of these is not an aliphatic compound?

Ethane

Tetrahydrofuran

Acetic acid

Acetaldehyde

Question 6 of 10

Question 7 of 10

7. Which of the following is not a use of Boron?

bulletproof vest

making of boron fibres

silver paints

in nuclear reactors

Question 7 of 10

Question 8 of 10

8. Do Carbon family elements show multiple bonding?

Cannot say

Maybe

Yes

Question 8 of 10

Question 9 of 10

9. How many types of oxides do Carbon family form?

Question 9 of 10

Question 10 of 10

10. Bone black is used in the manufacture of pyridine.

True

False

Question 10 of 10