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 Chemistry Questions

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Q:

Which of the following is NOT a nucleon?

A) Proton B) Electron
C) Neutron D) No option is correct
 
Answer & Explanation Answer: B) Electron

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4 1923
Q:

How many elements are present in the group of the 18th Modem Periodic Table?

A) 5 B) 2
C) 6 D) 7
 
Answer & Explanation Answer: D) 7

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0 1920
Q:

Which of the following elements is used for vulcanizing rubber?

A) Sulphur B) Chlorine
C) Bromine D) Phosphorus
 
Answer & Explanation Answer: A) Sulphur

Explanation:

Vulcanization of rubber is a process of improvement of the rubber elasticity and strength by heating it in the presence of sulfur rubber much stronger, more flexible, and more resistant to heat and other environmental conditions.

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1 1918
Q:

Methane an air pollutant is produced ______.

A) by action of ultraviolet light on nitrogenous compounds. B) as a by-product of manufacturing ammoniacal fertilizers
C) by burning of coal in insufficient air D) by digestion of food by animals
 
Answer & Explanation Answer: D) by digestion of food by animals

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1 1915
Q:

Which compound is a saturated hydrocarbon?

A) Alkene B) Alkane
C) Alkine D) All of the above
 
Answer & Explanation Answer: B) Alkane

Explanation:

Alkanes are saturated hydrocarbons. Saturated means that the hydrocarbon has only single bonds and that the hydrocarbon contains the maximum number of hydrogen atoms for each carbon atom.

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4 1913
Q:

Atomic bomb is based on which of the following principle?

A) Nuclear fusion B) Nuclear fission
C) Natural radioactivity D) All options are correct
 
Answer & Explanation Answer: B) Nuclear fission

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0 1913
Q:

Which of the following is an ore of Aluminium?

A) Galena B) Cryollite
C) Cinnabar D) Epsom Salt
 
Answer & Explanation Answer: B) Cryollite

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0 1911
Q:

Which of the following gas was released during Bhopal gas tragedy?

A) Methyl isocyanate B) Sodium isothiocyanate
C) Nitrogen isothiocyanate D) Potassium isothiocyanate
 
Answer & Explanation Answer: A) Methyl isocyanate

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0 1909