Hello Aspirants, I hope you all doing well. Here is the PDF of 100 Chemistry Questions with answers for SSC CGL/CHSL/CDS/UPSC/Railway Exams just for you. We Compiled this 100 Chemistry Questions PDF from previous years questions paper to help you in your upcoming exams. Go through the whole 100 Chemistry Questions PDF and check your preparation.
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Which amongst the following is not a Cation?
1) Aluminium ion
2) Copper ion
3) Sulphate ion
4) Zinc ion
Correct Answer: Sulphate ion
Which of the following is not a component of Smog?
1) Volatile organic compounds
2) Nitrogen Oxide
3) Sulphur dioxide
4) Chlorine oxide
Correct Answer: Chlorine oxide
Which among the following metal is used for galvanization?
Correct Answer: Zinc
What is dry ice?
1) Solid Carbon dioxide
2) Solid Nitrogen dioxide
3) Solid Sulphur dioxide
4) Solid Water
Correct Answer: Solid Carbon dioxide
Oxide of which of the following will turn red litmus blue?
Correct Answer: Magnesium
Which of the following are highly compressible?
4) Solid and Liquid
Correct Answer: Gas
___________ gases absorb long wave (infrared) radiation from the earth and emit it again towards the earth.
3) Carbon dioxide
Correct Answer: Greenhouse
PET is a very familiar form of _____________. It is used for making bottles.
Correct Answer: Polyester
Which of the following gases is heavier than oxygen?
1) Carbon dioxide
Correct Answer: Carbon dioxide
In India, the Air (Prevention and Control of Pollution) Act came into force in 1981, but was amended in ________ to include noise as an air pollutant.
Correct Answer: 1987
Which acid is released when an Ant bites?
1) Hydrochloric Acid
2) Formic Acid
3) Acetic Acid
4) Phosphoric Acid
Correct Answer: Formic Acid
Which among the following is an example of solid sol?
1) Milk of magnesia
3) Coloured gemstones
Correct Answer: Coloured gemstones
Which metal is responsible for Itai-Itai disease?
Correct Answer: Cadmium
Process of gaining electrons is known as _____.
4) both oxidation and reduction
Correct Answer: reduction
Which of the following metal (shown by its symbol) is generally used for making filaments of bulb?
Correct Answer: W
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