General Knowledge : : Chemistry Questions & Answers

  1. Which one of the following elements is not an essential micronutrient for plant growth?

A. Zinc

B. Copper

C. Boron

D. Sodium

  1. Which one of the following is responsible for blue baby syndrome?

A. Fluoride

B. Nitrate

C. Arsenic

D. Lead

  1. Which of the following fuels causes minimum environmental pollution?

A. Diesel

B. Kerosene

C. Hydrogen

D. Coal

  1. 'Yellow cake' an item of smuggling across border is?

A. A crude form of cocaine

B. A crude form of heroin

C. Unrefined gold

D. Uranium oxide

  1. Which of the following was used as a chemical weapon in the First World War?

A. Mustard gas

B. Hydrogen cyanide

C. Water gas

D. Carbon monoxide