Chemistry Questions

Q:

The property of metals by which they can be beaten into thin sheets is called _______________.

A) ductility B) malleability
C) viscosity D) tensile strength
 
Answer & Explanation Answer: B) malleability

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Q:

Which among the following is white phosphorus?

A) P1 B) P6
C) P4 D) P5
 
Answer & Explanation Answer: C) P4

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Q:

______ character of a bond between two atoms is greater if the difference in their electro negativities is lesser.

A) Polar B) Metallic
C) Ionic D) Covalent
 
Answer & Explanation Answer: D) Covalent

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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 gas contributes most to the Greenhouse effect?

A) Water vapour B) Ozone
C) Oxygen D) Nitrogen
 
Answer & Explanation Answer: A) Water vapour

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Q:

__________gives hardness to stainless steel.

A) Zinc B) Carbon
C) Lead D) Tin
 
Answer & Explanation Answer: B) Carbon

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Q:

What chemical is injected into a person's body when an ant bites?

A) Formic Acid B) Acetic Acid
C) Tartaric Acid D) Citric Acid
 
Answer & Explanation Answer: A) Formic Acid

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Q:

The only non-metal which is liquid at room temperature is

A) Mercury B) Bromine
C) Chlorine D) Gallium
 
Answer & Explanation Answer: B) Bromine

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