Applied Chemistry Mock Test 7

10%

Question 1 of 10

1. The abrasion resistance of the plastic is ____________

Moderate

Very low

High

Low

Question 1 of 10

Question 2 of 10

2. Lubricants are used to prevent the moulded article from _________

Rusting

Sticking

Not sticking

Burning

Question 2 of 10

Question 3 of 10

3. The polymer is 100% crystalline.

False

True

Question 3 of 10

Question 4 of 10

4. The heat obtained during the process of suspension polymerisation is _________

Controlled

Uncontrolled

Moderate

Partially controlled

Question 4 of 10

Question 5 of 10

5. The anion is produced by the __________ initiates the anionic chain polymerisation.

Inorganic compounds

Heterolytic fusion of initiator

Organo-alkali compounds

Homolytic fusion of initiator

Question 5 of 10

Question 6 of 10

6. For free radical chain polymerisation _________ are the good initiators.

Hydrogen peroxide

Benzoyl peroxide

Benzoyl peroxide and hydrogen peroxide

Neither benzoyl peroxide nor hydrogen peroxide

Question 6 of 10

Question 7 of 10

7. The molecular weight of the step polymers is not the _________

Sum of the molecular weight of some monomers

Sum of the weights of the bi-products.

Sum of the molecular weights of monomer

Sum of the water molecular weight

Question 7 of 10

Question 8 of 10

8. The strength of the polymer increases with ________ in molecular weight.

Decrease

No change

Increase

Slightly decrease

Question 8 of 10

Question 9 of 10

9. Condensation polymers will release bi-products like ________

Hcl

Ozone

Ammonia

Carbondioxide

Question 9 of 10

Question 10 of 10

10. Depending on the morphology of the particles, the suspension polymerisation is carried out in ______ types.

Two

Three

Four

Five

Question 10 of 10