Industrial Chemical MCQs with Answers

Fossil fuels are formed from the remains of plants and animals in _?

• A.Absence of Oxygen
• B.Presence of Oxygen
• C.Presence of Sunlight
• D.Presence of Water

Which one of the following is widely used to power jet engines of aircraft and some rocket engines?

• A.Diesel oil
• B.Kerosene oil
• C.Petrol (Gasoline)
• D.Crude oil

135-145°C temperature is required for ?

• A.Injection moulding
• B.Extrusion
• C.Blow moulding
• D.Compression moulding

The initial setting time of Hydraulic Lime is

• A.30 minutes
• B.60 minutes
• C.120 minutes
• D.240 minutes

Which is a water purification technology that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water?

• A.Distillation
• B.Reverse Osmosis (RO)
• C.Ultraviolet (UV) Treatment
• D.Chlorination

Sea water can be purified by the process of _?

• A.Filtration
• B.Sedimentation
• C.Evaporation
• D.Distillation

The high polymer of Ethylene is known as ?

• A.Polypropylene
• B.Polyester
• C.Polystyrene
• D.Polythene

Most concentrated solid nitrogen fertilizer is _?

• A.Ammonium nitrate
• B.Urea
• C.Ammonium sulfate
• D.Calcium ammonium nitrate

Alcohol and antibiotics on large scale production by organism is an area of ?

• A.Biochemistry
• B.Genetic engineering
• C.Biotechnology in industry
• D.Pharmacology

Which of the following is the correct equation for calculating the mass transfer rate in a gas-liquid system?

• A.N = kA/(Ca - Cb)
• B.N = kA(Ca + Cb)
• C.N = kA(Ca - Cb)
• D.N = kA × Ca × Cb