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Chemical Process Online Exam Quiz

Important questions about Chemical Process. Chemical Process MCQ questions with answers. Chemical Process exam questions and answers for students and interviews.

1. Epoxy resin

Options

A : is a good adhesive.

B : is an elastomer.

C : cannot be used for surface coatings.

D : is a polyester.

2. The main use of HCl is in the

Options

A : drilling of petroleum wells and pickling of steel sheets.

B : manufacture of cationic detergent.

C : treatment of spent fuel of nuclear reactor.

D : none of these.

3. Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

Options

A : its calorific value is very less.

B : tar neutralises the residual acids present in pitch.

C : it reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop.

D : all (a), (b) and (c).

4. Which is the main reducing agent during production of iron from iron ore in a blast furnace?

Options

A : C

B : CO

C : CO 2

D : H 2

5. Styrene is produced from ethyl benzene by the process of

Options

A : dehydrogenation

B : oxidation

C : alkylation

D : dehydration

6. Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?

Options

A : High cost of mercury.

B : High specific gravity of mercury.

C : Non-availability of high purity mercury.

D : Pollution of water stream by mercury.

7. Paper pulp produced by kraft/sulphate process is

Options

A : bleached easily

B : dull white in color

C : strong fibrous

D : dark colored

8. Frasch process is for

Options

A : making oxygen

B : producing helium

C : mining sulphur

D : making nitrogen

9. Viscose rayon is chemically

Options

A : cellulose nitrate

B : regenerated cellulose nitrate

C : cellulose acetate

D : regenerated cellulose acetate

10. The gasification reaction represented by, C + H 2 O = CO + H 2 , is a/an __________ reaction.

Options

A : exothermic

B : endothermic

C : catalytic

D : autocatalytic

1. __________ process is used for the manufacture of sodium carbonate by ammonia soda process.

Options

A : Ostwald's

B : Bosch

C : Solvay

D : Haber's

2. Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.

Options

A : CaO

B : MnO 2

C : ZnO

D : FeS

3. Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

Options

A : 1 - 2

B : 15 - 20

C : 50 - 60

D : 80 - 85

4. Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

Options

A : adsorbs

B : oxidises

C : reduces

D : converts

5. The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is

Options

A : dilute H 2 SO 4

B : oleum

C : ultraviolet light

D : none of these

6. Haemoglobin is a/an

Options

A : amino acid

B : biological catalyst

C : protein

D : enezyme

7. Which of the following is not a raw material used for the manufacture of ordinary glass?

Options

A : Iron oxide

B : Soda ash

C : Limestone

D : Silica

8. Salt cake is chemically represented by

Options

A : Na 2 SO 4

B : CaSO 4 .½H 2 O

C : MgSO 4

D : BaSO 4

9. Starting raw material for the manufacture of alum is

Options

A : alumina

B : gypsum

C : bauxite

D : ammonium bicarbonate

10. Styrene-butadiene-rubber (SBR) as compared to natural rubber has

Options

A : Poorer tensile strength.

B : poorer resistance to oxidation.

C : greater amount of heat build-up under heavy loading.

D : all (a), (b) and (c).

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