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 Chemistry Questions

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Q:

Zeolite is

A) hydrated ferric oxide B)  hydrated sodium aluminium silicate
C)  sodium hexameta phosphate D)  sodium tetra borate
 
Answer & Explanation Answer: B)  hydrated sodium aluminium silicate

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Q:

In an acid base reaction which product is produced along with a salt?

A) Hydrogen gas B) Water
C) Oxygen gas D) Carbon dioxide
 
Answer & Explanation Answer: B) Water

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Q:

Terylene is a condensation polymer of ethylene glycol and which acid?

A) Benzoic Acid B) Salicylic acid
C) Phthalic acid D) Terephthalic acid
 
Answer & Explanation Answer: D) Terephthalic acid

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Q:

Fire extinguishers emit which gas?

A) Carbon monoxide B) Chlorine
C) Carbon dioxide D) Nitrogen
 
Answer & Explanation Answer: C) Carbon dioxide

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Q:

Absolute Zero is defined as

A) The temperature at which all molecular motion ceases B) At which water boils at 298K
C) At which liquid Helium boils D) At which the volume becomes zero
 
Answer & Explanation Answer: A) The temperature at which all molecular motion ceases

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Q:

___________ gases absorb long wave (infrared) radiation from the earth and emit it again towards the earth.

A) Carbon dioxide B) Methane
C) Greenhouse D) Ozone
 
Answer & Explanation Answer: C) Greenhouse

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Q:

NaCl has ______.

A) nonpolar bonds B) polar covalent bonds
C) Metallic bonds D) ionic bonds
 
Answer & Explanation Answer: D) ionic bonds

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Q:

Who among the following laid the foundation of chemical sciences by establishing two important laws of chemical combination?

A) Joseph L. Proust B) Antoine L. Lavoisier
C) Ernest Rutherford D) Democritus
 
Answer & Explanation Answer: B) Antoine L. Lavoisier

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