Adipic acid is an intermediate in the manufacture of

The polymer obtained by the condensation of hexamethylene diamine and adipic acid is :

A

Nylon 66

B

Terylene

C

Tollen's

D

Bakelite

Which of the following is a polymer of hexamethylene diamine and adipic acid?

A

Nylon-6

B

Nylon-66

C

Nylon-6, 10

D

Epoxy resin

In the manufacture of urea, the intermediate chemical formed is

A

Biuret

B

Ammonium carbamate

C

Ammonium carbonate

D

None of these

If 15 men working independently and at the same rate can manufacture 27 baskets in an hour, how many baskets would 45 men working independently and at the same rate manufacture in 40 minutes?

A

27

B

35

C

40

D

54

If 15 men working at the same rate can manufacture 27 baskets in an hour, how many baskets would 45 men manufacture in 40 minutes?

A

27

B

54

C

35

D

40

a chemial is mixed 30 ml mixed , 10 ml is acid , how much ml of acid must be mixed such that a 50/50 mixure of water and acid is attend if no additional water is added

A

20

B

10

C

40

D

30

How many liters of a 90% of concentrated acid needs to be mixed with a 75% Solution of concentrated acid to get a 30 liter Solution of 78% concentrated acid?

A

8

B

6

C

7

D

9

The molecular mass of sulphuric acid is 98. If 49 g of the acid is dissolved in water to make one litre of solution, what will be the strength of the acid?

A

Two normal

B

One normal

C

0.5 normal

D

Four normal

Contact process of sulphuric acid manufacture

A

Yields acid of higher concentration than chamber process

B

Yields acid of lower concentration than chamber process

C

Is obsolete

D

Eliminates absorber

Electric process as compared to wet process (for the manufacture of phosphoric acid)

A

Can use only high grade phosphate rock

B

Is used less frequently

C

Produces a valuable by-product called gypsum

D

Is weak acid process

Adipic acid is an intermediate in the manufacture of

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