Chemistry MCQs with answers Page - 27

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 • 802.91K Points
Coach

Q. What is the electron configuration of Radium?

  • (A) 6s2
  • (B) 7s2
  • (C) 7s2 7p6
  • (D) 7s2 7p4

A

Admin • 802.91K Points
Coach

Q. Which of the following is NOT correct about the use of Quick lime?

  • (A) Manufacturing of cement
  • (B) Manufacture of sodium carbonate
  • (C) Purification of sugar
  • (D) used to extinguish fire

A

Admin • 802.91K Points
Coach

Q. What is the half life of the longest lived isotope of Francium?

  • (A) 1 minute
  • (B) 21 minute
  • (C) 21 hours
  • (D) 100 days

A

Admin • 802.91K Points
Coach

Q. Which of the following is NOT correct about Group 14 elements?

  • (A) All of them are solids
  • (B) Melting points are much higher than those of corresponding elements of group 13
  • (C) Carbon is a non-metal
  • (D) Germanium is a metal

A

Admin • 802.91K Points
Coach

Q. Which of the following is correct about Hydrazine?

  • (A) It is used in various rocket fuels
  • (B) Its chemical formula is N2 H2
  • (C) It is a blue colour liquid
  • (D) All of the above

A

Admin • 802.91K Points
Coach

Q. Which of the following is correct about Ammonia?

  • (A) The ammonia molecule is trigonal pyramidal in shape
  • (B) Ammonia gas is light blue in colour
  • (C) its aqueous solution is highly basic
  • (D) Ammonia gas is odorless

A

Admin • 802.91K Points
Coach

Q. Which of the following compound is prepared using Ostwald’s process?

  • (A) Potassium permanganate
  • (B) Hydrochloric acid
  • (C) Nitric acid
  • (D) None

A

Admin • 802.91K Points
Coach

Q. Which of the following gases is not a noble gas?

  • (A) Argon
  • (B) Chlorine
  • (C) Helium
  • (D) Zenon

A

Admin • 802.91K Points
Coach

Q. N2 content is kept constant in the biosphere due to

  • (A) Absorption of N2
  • (B) N2 fixation
  • (C) Industrial pollution
  • (D) Nitrogen cycle

A

Admin • 802.91K Points
Coach

Q. Which among the following element in the human body / organ makes the main basis of working of the MRI (Magnetic resonance imaging)?

  • (A) Nitrogen
  • (B) Calcium
  • (C) Hydrogen
  • (D) Sodium

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