Chemistry GK Questions and Answers for Competitive Exams
Chemistry GK Questions and Answers for Competitive Exams is a concise and comprehensive article designed to help aspirants prepare for various competitive examinations that include a chemistry section. Covering a wide range of topics, this article serves as a valuable resource for students, job seekers, and anyone seeking to test and enhance their knowledge of chemistry.
Chemistry GK Questions
The article Chemistry GK Questions and Answers features a curated selection of general knowledge (GK) questions on fundamental principles, theories, elements, compounds, reactions, and applications of chemistry. Each question is followed by a clear and concise answer, ensuring that readers not only gauge their knowledge but also understand the underlying concepts.
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Chemistry GK Questions and Answers for Competitive Exams
Q : In what form is alum used ?
(A) Painkiller
(B) Fertilizer
(C) antiseptic
(D) water purifier
Correct Answer : D
Which of the following is an oxidising agent ?
(A) KMnO4
(B) K2 Cr2 07
(C) HNO3
(D) All of the above
Correct Answer : D
Identify the man - made element
(A) Carbon
(B) Gold
(C) californium
(D) calcium
Correct Answer : C
What color does blue litmus paper turn into?
(A) White
(B) Red
(C) Black
(D) Violet
Correct Answer : B
What is the hearing capacity of a human being?
(A) 20 Hz to 2000 Hz
(B) 20 Hz to 20000 Hz
(C) More than 20000 Hz
(D) 200 Hz to 20000 Hz
Correct Answer : B
Which of the following compound contains only Carbon and Hydrogen atoms in their formation?
(A) Chloroform
(B) Teflon
(C) Ethanol
(D) Benzene
Correct Answer : D
Limestone on decomposition gives_______and carbon dioxide.
(A) Calcium hydrogen carbonate
(B) Calcium carbonate
(C) Calcium hydroxide
(D) Calcium oxide
Correct Answer : D
What are Rubies and Sapphires chemically known as ?
(A) Silicon dioxide
(B) Aluminum oxide
(C) Lead tetroxide
(D) Boron nitride
Correct Answer : B
Chemically vermillion is :
(A) Calcium carbonate
(B) Potassium sulphide
(C) Mercuric sulphide
(D) Sodium chloride
Correct Answer : C
What is the chemical formula of sodium carbonate ?
(A) Na2CO3
(B) NaCO3
(C) Na1CO2
(D) Na1CO2
Correct Answer : A
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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 linkedin.com/in/rajesh-bhatia-7395a015b/.
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