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 Chemistry Questions

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Q:

Molybdenite is an ore/mineral of

A) Molybdenum B) Nickel
C) Silver D) Tin
 
Answer & Explanation Answer: A) Molybdenum

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Q:

_____ is the major component of natural gas.

A) Acetone B) Methane
C) Chlorine D) Hexane
 
Answer & Explanation Answer: B) Methane

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Q:

Anions are formed by _____.

A) losing of electrons B) gaining of electrons
C) gaining of neutrons D) losing of neutrons
 
Answer & Explanation Answer: B) gaining of electrons

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Q:

What is formed when Carbon Dioxide is passed through Lime Water?

A) Copper Sulphate B) Calcium Carbonate
C) Magnesium Oxide D) Baking Soda
 
Answer & Explanation Answer: B) Calcium Carbonate

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Q:

Oxygen molecule is ______.

A) Monoatomic B) Diatomic
C) Triatomic D) Polyatomic
 
Answer & Explanation Answer: B) Diatomic

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Q:

Which of the following is the third member of the Dobereiner triad, that also features Lithium and Sodium?

 

A) Potassium B) Boron
C) Barium D) Hydrogen
 
Answer & Explanation Answer: A) Potassium

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Q:

On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because ________

A) Mercury is a metal B) Density of mercury is greater than that of water
C) Cohesion of mercury is greater than its adhesion with glass D) Cohesion of water is greater than its adhesion with glass
 
Answer & Explanation Answer: C) Cohesion of mercury is greater than its adhesion with glass

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Q:

Which drug is used for Pain Relief?

A) Risedronate B) Tramadol
C) Folic Acid D) Bupropion
 
Answer & Explanation Answer: B) Tramadol

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