- (A) Red
- (B) Yellow
- (C) Violet
- (D) Black
Exam preparation MCQs with answers
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Latest MCQs
- (A) Proteins with high molecular weight (around 10,000)
- (B) Derived from living organisms
- (C) Catalyst for temperature sensitive reactions
- (D) All A,
- (A) Zinc
- (B) Nickel
- (C) Platinum
- (D) Copper
- (A) Adsorbing on palladium
- (B) Absorbing in ethanolamine
- (C) Scrubbing with wash oil
- (D) Passing it through electrostatic precipitator
- (A) Nitric acid
- (B) Sulphuric acid
- (C) Ammonium sulphate
- (D) Hydrochloric acid
- (A) Galena
- (B) Chalcopyrite
- (C) Hematite
- (D) Bauxite
- (A) Hydrogenation
- (B) Oxidation
- (C) Hydrolysis
- (D) Hydrocracking
- (A) Concentrated sulphuric acid
- (B) Oleum
- (C) Sulphurous acid
- (D) Dilute sulphuric acid
- (A) Calcium sulphate
- (B) Potassium sulphate
- (C) Potassium chlorate
- (D) None of these
- (A) Coke breeze
- (B) Lime powder
- (C) Silica/quartz
- (D) Dolomite
