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 Chemistry Questions

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Q:

Which among the following compounds has the strongest hydrogen bond?

A) HI B) HCl
C) HF D) HBr
 
Answer & Explanation Answer: C) HF

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Q:

Which of the following elements has the lowest melting point?

A) Zinc B) Titanium
C) Sulphur D) Fluorine
 
Answer & Explanation Answer: D) Fluorine

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Q:

NaHCO3 is chemical formula for ___________.

A) Borax B) Vinegar
C) Lime D) Baking soda
 
Answer & Explanation Answer: D) Baking soda

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Q:

Rusting is _____.

A) Electrolysis B) Oxidation
C) Redox reaction (Oxidation and Reduction) D) Reduction
 
Answer & Explanation Answer: C) Redox reaction (Oxidation and Reduction)

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Q:

Which one of the following is an insulator?

A) copper B) wood
C) mercury D) aluminium
 
Answer & Explanation Answer: B) wood

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Q:

Alkenes were earlier known as ______.

A) Paraffins B) Titoffins
C) Olefins D) Meloffins
 
Answer & Explanation Answer: C) Olefins

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Q:

The force that a neutron exerts on a proton inside an atom is:

A) Tidal force B) Gravitational force
C) Electrostatic force D) Nuclear force
 
Answer & Explanation Answer: D) Nuclear force

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Q:

Sour taste of lemon is due to the presence of which of the following ?

A) Citric acid B) Acetic acid
C) Oxalic acid D) Formic acid
 
Answer & Explanation Answer: A) Citric acid

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