Chemistry General Knowledge Questions and Answers


Questions and Answers Type:MCQ (Multiple Choice Questions).
Main Topic:General Knowledge.
General Knowledge Sub-topic:Chemistry.
Number of Questions:5 Questions with Answers.
Directions: In the following chemistry general knowledge questions, four answers are given, and only one answer is correct. Read the questions and choose the correct answers. If you want to check the answer, click on the answer button and know the correct answer with an explanation.

1. What is the chemical name of baking soda?

  1. Sodium nitrite
  2. Sodium nitrate
  3. Sodium bicarbonate
  4. Sodium carbonate

Answer: (c) Sodium bicarbonate

Solution: The chemical name of baking soda is Sodium bicarbonate (NaHCO3). It is also known as the bicarbonate of soda.

2. What is the use of an atomic pile?

  1. For X-rays experiments
  2. For proton reactions
  3. For nuclear fission reactions
  4. For Electron experiments

Answer: (c) For nuclear fission reactions

Solution: The atomic pile is a nuclear reactor that uses a controlled nuclear fission chain reaction to generate energy.

3. Which radioactive element is used in heart pacemakers?

  1. Radium
  2. Plutonium
  3. Uranium
  4. Deuterium

Answer: (b) Plutonium

Solution: Pacemakers are used to stimulate a regular heartbeat when the body's natural electrical pacing system is not transmitting properly. Plutonium is used for pacemakers as a power source.

4. Which among the following is a carbohydrate?

  1. Cane-sugar
  2. Nylon
  3. Hydrogen peroxide
  4. Turpentine

Answer: (a) Cane-sugar

Solution: Cane sugar is a carbohydrate and composed of carbon, hydrogen and oxygen. It is a source of extracting sugar. Simple sugars are called monosaccharides which includes glucose, fructose and galactose.

5. Bronze is an alloy of______.

  1. Tin and Zinc
  2. Copper and Iron
  3. Copper and Silver
  4. Copper and Tin

Answer: (d) Copper and Tin

Solution: Bronze is a metal alloy consisting primarily of copper, usually with 12–12.5% tin as the main additive and often with the addition of other metals such as aluminium, manganese, nickel or zinc.