Chemistry Questions

Q:

The Chemical formula of Cadmium nitrate is _____.

A) Cd(NO3)2 B) CdNO3
C) Cd2(NO3)2 D) Cd2NO3
 
Answer & Explanation Answer: A) Cd(NO3)2

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Q:

Which of the following statements is INCORRECT?

A) Solids have definite volume  B) solids are rigid 
C) Solids have indefinite shape  D) Solids are almost incompressible
 
Answer & Explanation Answer: C) Solids have indefinite shape 

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Q:

Among chemical properties, Mendeleev concentrated on the compounds formed by the elements with

A) Hydrogen and Oxygen B) Hydrogen and Sodium
C) Carbon and Hydrogen D) Carbon and Sodium
 
Answer & Explanation Answer: A) Hydrogen and Oxygen

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Q:

Which of the following gases is produced due to incomplete combustion of fuel?

A) Carbon Dioxide B) Carbon Monoxide
C) Methane D) Ethane
 
Answer & Explanation Answer: B) Carbon Monoxide

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Q:

Which element is not a part of a nitrogenous base?

A) Hydrogen B) Phosphorous
C) Carbon D) Nitrogen
 
Answer & Explanation Answer: B) Phosphorous

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Q:

Which of the following elements has the lowest melting point?

A) Tin B) Hydrogen
C) Carbon D) Sodium
 
Answer & Explanation Answer: B) Hydrogen

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Q:

Name the noble gas which is placed in the third period and eighth group of the Modern Periodic table.

A) Helium B) Argon
C) Neon D) Krypton
 
Answer & Explanation Answer: B) Argon

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Q:

Which one of the following is a cation?

A) Carbonate B) Nitrate
C) Ammonium D) Hydroxide
 
Answer & Explanation Answer: C) Ammonium

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