Industrial Chemical MCQs with Answers

The Vulcanization of rubber ?

• A.Converts its plasticity into elasticity
• B.Converts its elasticity into plasticity
• C.Makes it soft and sticky
• D.Removes sulfur from it

The Contact process is used to manufacture _?

• A.Nitric acid
• B.Hydrochloric acid
• C.Sulfuric acid
• D.Phosphoric acid

Instead of Haber's process, process can also be used for conversion of nitrogen to ammonia.

• A.Solvay process
• B.Ostwald process
• C.Contact process
• D.Cyanamide process

Synthetic rubber is made by polymerization of ?

• A.Isoprene
• B.Butadiene
• C.Chloroprene
• D.Styrene

Past Paper MCQ

A process of breaking down large hydrocarbons into smaller molecules using heat is called _?

• A.Fractional distillation
• B.Polymerization
• C.Cracking
• D.Reforming

Which of these is the most widely used nitrogenous fertilizer in Pakistan?

• A.Ammonium nitrate
• B.Urea
• C.Diammonium phosphate (DAP)
• D.Ammonium sulfate

The mass of hydrogen gas needed to produce 51 g ammonia ?

• A.3 g
• B.6 g
• C.9 g
• D.12 g

Acetic acid is manufactured by ?

• A.Fermentation
• B.Distillation
• C.Electrolysis
• D.Sublimation

The process used to separate different components of petroleum is ?

• A.Crystallization
• B.Simple distillation
• C.Fractional distillation
• D.Chromatography

100% pure ethanol is called _?

• A.Methylated spirit
• B.Denatured alcohol
• C.Rectified spirit
• D.Absolute alcohol