Chemical Process MCQs

1. Comparing sulphate process with sulphite process, we find that __________ in the later.

Both temperature & pressure in the former is less than that

Both temperature & pressure in the former is more than that

Temperature is more in the former whereas pressure is more

Pressure is more in the former whereas temperature is less

✅ The correct answer is option B.

2. Builders are added in soap to act as

Cleaning power booster

Anti-redeposition agent

Corrosion inhibitor

Fabric brightener

✅ The correct answer is option A.

3. Chemical formula of BHC, which is an insecticide is

C₆H₆Cl₆

C₆Cl₆

C₆H₅Cl

C₆H₄Cl₂

✅ The correct answer is option A.

4. __________ paper is used in the manufacture of newsprint paper.

Groundwood

Board

Tissue

Wrapping

✅ The correct answer is option A.

5. Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have

High electrical insulation properties

Sharp melting points

Low co-efficient of thermal expansion

Compressive strength much greater than their tensile strengths

✅ The correct answer is option B.

6. Zeigler process

Produces high density polyethylene

Produces low density polyethylene

Uses no catalyst

Employs very high pressure

✅ The correct answer is option A.

7. Which of the following sugars is the sweetest?

Glucose

Fructose

Sucrose

Lactose

✅ The correct answer is option B.

8. Bleaching action of bleaching powder is due to its __________ properties.

Reducing

Oxidising

Disinfecting

None of these

✅ The correct answer is option B.

9. The amount of benzene present in pure benzol is about __________ percent.

✅ The correct answer is option C.

10. CO & H₂ are the constituents of

Producer gas

Water gas

Coke oven gas

All of the above

✅ The correct answer is option D.