Unit#11: Carboxylic Compounds + Unit#12: Polymers

1

Which polymer is used in making clothes?

A Nylon B PVC C Teflon D Polystyrene

2

Which carboxylic acid is present in ant stings?

A Ethanoic acid B Methanoic acid C Citric acid D Oxalic acid

3

Carboxylic acids are used in food industry as:

A Sweeteners B Preservatives C Coloring agents D Oxidizing agents

4

Carboxylic acids react with carbonates to produce:

A Salt only B Salt, water and CO2 C Salt and hydrogen D Ester and CO2

5

Which polymer is used in making bulletproof vests?

A Nylon B Kevlar C Polythene D PVC

6

Which reaction involves OH group of carboxylic acid?

A Reaction with metals B Reaction with bases C Esterification D Reaction with carbonates

7

The acidic nature of carboxylic acids is stronger than:

A Mineral acids B Alcohols C Bases D Salts

8

Which polymer is heat resistant?

A Rubber B Polythene C Teflon D PVC

9

Ethanoic acid is used in everyday life as:

A Soap B Vinegar C Detergent D Perfume

10

Which is the simplest carboxylic acid?

A Ethanoic acid B Methanoic acid C Propanoic acid D Butanoic acid

11

Bakelite is mainly used for:

A Cooking utensils B Electrical switches C Clothing D Packaging

12

The reaction of carboxylic acids with bases is called:

A Esterification B Neutralization C Oxidation D Reduction

13

Synthetic polymers are mainly produced from:

A Coal B Petroleum products C Plants D Animals

14

The process of ester formation is called:

A Hydrogenation B Esterification C Saponification D Neutralization

15

Which ester is commonly used as artificial flavor?

A Ethyl ethanoate B Sodium ethanoate C Methanoic acid D Ethanol

16

Which bond is commonly present in addition polymers?

A Ionic bond B Metallic bond C Covalent bond D Hydrogen bond

17

Which of the following polymers is elastic in nature?

A Polythene B Rubber C Nylon D PVC

18

What is the general formula of carboxylic acids?

A CnH2n+1OH B CnH2n C CnH2n+1COOH D CnH2n-1COOH

19

Which polymer is used to make plastic bags?

A Nylon B Polythene C Bakelite D Teflon

20

Which factor increases the strength of polymers?

A Short chains B Long chains C Low temperature D Low pressure

21

Which group of carboxylic acid takes part in ester formation?

A Carbonyl group B Alkyl group C –OH group D –COO– group

22

Which polymer is mainly used in medical syringes?

A PVC B Polythene C Nylon D Teflon

23

Bacterial oxidation of ethanol produces:

A Methanoic acid B Ethanoic acid C Propanoic acid D Butanoic acid

24

Which of the following is a natural polymer?

A PVC B Polythene C Nylon D Starch

25

Which polymer is used for packaging food?

A Polythene B Rubber C Nylon D Bakelite