Chemistry MCQs with answers Page - 19

Here, you will find a collection of MCQ questions on Chemistry. Go through these questions to enhance your preparation for upcoming examinations and interviews.

To check the correct answer, simply click the View Answer button provided for each question.

Have your own questions to contribute? Click the button below to share your MCQs with others!

+ Add Question

A

Admin • 833.24K Points
Coach

Q. The anode of a dry cell is made up of

  • (A) Iron
  • (B) Cadmium
  • (C) Zinc
  • (D) Lead

A

Admin • 833.24K Points
Coach

Q. The coating of a thin layer of zinc on steel or iron objects is known as

  • (A) Hot dipping
  • (B) Tinning
  • (C) Galvanising
  • (D) Electroplating

A

Admin • 833.24K Points
Coach

Q. A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed?

  • (A) From brown to blue-black
  • (B) From brown to orange-red
  • (C) From blue to pink
  • (D) From pink to blue-green

A

Admin • 833.24K Points
Coach

Q. An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a :

  • (A) Power transmittor
  • (B) Battery
  • (C) Uninterrupted power supply (UPS)
  • (D) Generator

A

Admin • 833.24K Points
Coach

Q. The metals commonly used for electroplating are

  • (A) Gold, Sodium and Chromium
  • (B) Chromium, Copper and Nickel
  • (C) Nickel, Lead and Chromium
  • (D) Gold, Sodium and Potassium

A

Admin • 833.24K Points
Coach

Q. In galvanization, iron is coated with

  • (A) Copper
  • (B) Zinc
  • (C) Tin
  • (D) Nickel

A

Admin • 833.24K Points
Coach

Q. The process of improving the quality of rubber by heating it with sulphur is called

  • (A) Vulcanization
  • (B) Acceleration
  • (C) Sulphonation
  • (D) Galvanization

A

Admin • 833.24K Points
Coach

Q. Rusting of iron takes place due to

  • (A) Oxidation
  • (B) Carbonation
  • (C) Exfoliation
  • (D) Corrosion

A

Admin • 833.24K Points
Coach

Q. Combustion of a candle is a/an

  • (A) Photochemical reaction
  • (B) Physical change
  • (C) Endothermic reaction
  • (D) Exothermic reaction

A

Admin • 833.24K Points
Coach

Q. Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ?

  • (A) Methane
  • (B) Ethane
  • (C) Propane
  • (D) Butane

Add MCQ in this Category

If you want to share an MCQ question in this category, it's a great idea! It will be helpful for many other students using this website.

Share Your MCQ

Browse Categories

Click on category to learn MCQs of that category.