Chemistry Questions and Answers for Competitive Exam

Rajesh BhatiaLast year 44.9K Views Join Examsbookapp store google play

Here, I am providing Chemistry Questions and Answers for those learners who are preparing for competitive exams. In this post, I have updated the most important chemistry questions answers around the science with the latest chemistry questions and answers about many topics covered related to General Science.   
I have prepared Chemistry Questions and Answers for competitive exam blog to increase your General Science level as well as increase your confidence level for competitive exams.

Chemistry Questions and Answers 

Q.1 The metal does not give H2 on treatment with dilute HCL is

(A) Zn

(B) Fe

(C) Ag

(D) Ca

Ans .  C

Q.2 The number of g-molecule of oxygen in 6.02 x 1024CO molecules is

(A) 1 gram of molecule

(B) 0.5 gram of molecule

(C) 5 gram of molecule

(D) 10 gram of molecule

Ans .  C

Q.3 The most extensive, commercially useful source of thorium as monazite sand occurs in India at

(A) Orissa coast

(B) Travancore coast

(C) West Bengal coast

(D) Gujarat coast

Ans .  B

Q.4 The main active constituent of tea and coffee is

(A) nicotine

(B) chlorophyll

(C) caffeine

(D) aspirin

Ans .  C

Q.5 The maximum number of isomers for an alkene with molecular formula C4H8 is

(A) 5

(B) 4

(C) 2

(D) 3

Ans .  B

Q.6 The hardest form of carbon is

(A) coke

(B) graphite

(C) diamond

(D) charcoal

Ans .  C

Q.7 The most important ore of aluminum is

(A) bauxite

(B) magnetite

(C) haematite

(D) monazite

Ans .  A

If you have any problem or doubt regarding Chemistry Questions and Answers for Competitive Exams, you can ask me in the comment section. To more practice for General Science Questions, Visit the next page.

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    Rajesh Bhatia

    A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at

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