Chemistry General Knowledge Questions and Answers: Chemistry GK
Methane an air pollutant is produced ___________
(A) by burning of coal in insufficient air
(B) by digestion of food by animals
(C) by action of ultraviolet light on nitrogenous compounds.
(D) as a by-product of manufacturing ammoniacal fertilizers
Correct Answer : B
Who was the inventor of positron?
(A) Chadwick
(B) Anderson
(C) Rutherford
(D) J.J. Thomson
Correct Answer : B
Curie is the unit of:
(A) Heat
(B) Energy
(C) Radioactivity
(D) Temperature
Correct Answer : C
Neutron was discovered -
(A) Chadwick
(B) Newton
(C) Rutherford
(D) Thomson
Correct Answer : A
What is the common name of Sodium Bicarbonate?
(A) Plaster of Paris
(B) Fly Ash
(C) Baking Soda
(D) Washing Powder
Correct Answer : C
Which of the following is/are the example/examples of chemical change?
(1) . Crystallization of sodium chloride
(2) . Melting of ice
(3) . Souring of milk
Select the correct answer using the code given below.
(A) 3 only
(B) 1, 2 and 3
(C) 1 and 2 only
(D) None
Correct Answer : A
What is the more common name for solid carbon dioxide?
(A) Quick Silver
(B) Epsom
(C) Potash
(D) Dry Ice
Correct Answer : D
NaHCO3 is chemical formula for ___________.
(A) Borax
(B) Vinegar
(C) Lime
(D) Baking soda
Correct Answer : D
The common name of dichlorodifluoromethane is _____.
(A) gypsum
(B) borax
(C) galena
(D) Freon
Correct Answer : D
_______ expansion makes the Eiffel Tower taller during summers.
(A) Gravitational
(B) Gradient
(C) Chemical
(D) Thermal
Correct Answer : D
Chemistry-General Knowledge questions and answers
1. Which one of the following non-metals is not a poor conductor of electricity
A. Sulphur
B. Selenium
C. Bromine
D. Phosphorus
Answer : B. Selenium
2. Which one of the following is not a chemical change?
A. Burning of coal in air
B. Fermentation of sugarcane juice
C. Cracking of petroleum
D. Crystallization of table salt from seawater
Answer : D. Crystallization of table salt from sea water
3. Which metal remains in liquid form under normal conditions?
A. zinc
B. radium
C. uranium
D. mercury
Answer : D. mercury
4. Commercially, sodium bicarbonate is known as
A. Washing soda
B. Baking soda
C. Bleaching powder
D. Soda ash
Answer : B. Baking soda
5. Acetylsalicylic acid is commonly used as
A. A painkiller
B. A sedative
C. Tear gas
D. A fertilizer
Answer : A. A pain killer
6. Which metal is commonly used for making an electromagnet?
A. Copper
B. Cobalt
C. Iron
D. Nickel
Answer : C. Iron
7. The gas that is responsible for global warming is
A. Carbon dioxide
B. Oxygen
C. Methane
D. Sulphur dioxide
Answer : A. Carbon dioxide
8. Which of the following is the source of common salt?
A. Bauxite
B. Pyrite
C. Calcite
D. Halite
Answer : D. Halite
9. What is the main constituent of coal gas?
A. Oxygen
B. Water
C. Nitrogen
D. Methane
Answer : D. Methane
10. For Which one of the following is the density maximum?
A. Chloroform
B. Water
C. Benzene
D. Ice
Answer : B. Water
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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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