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 Chemistry Questions

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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:

What are isobars?

A) Elements with same atomic number but different mass number B) Elements with different atomic number but same mass number
C) Elements with different atomic number and different mass number D) Elements with same atomic number and same mass number
 
Answer & Explanation Answer: B) Elements with different atomic number but same mass number

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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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Q:

What is the weight of one mole Carbon atoms?

A) 12 gm B) 120 gm
C) 1.2 gm D) 0.12 gm
 
Answer & Explanation Answer: A) 12 gm

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Q:

Which among the following is false about natural rubber?

A) It is an elastomer B) It is a monomer of cis­isoprene
C) Natural rubber is a polymer of chloroprene D) It is heated with sulphur compounds to improve its properties
 
Answer & Explanation Answer: B) It is a monomer of cis­isoprene

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Q:

Which of the following has pH value 7?

A) Pure Water B) H2SO4
C) Sodium Carbonate D) HCl
 
Answer & Explanation Answer: A) Pure Water

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1 1606
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:

Which of the following is a natural polymer?

A) Bakelite B) Nylon
C) Polythene D) Starch
 
Answer & Explanation Answer: D) Starch

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