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 Chemistry Questions

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Q:

________ is used for making vinegar.

A) Tartaric acid B) Malic acid
C) Oxalic acid D) Acetic acid
 
Answer & Explanation Answer: D) Acetic acid

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Q:

_________ gets converted to phosgene, when exposed to sunlight.

A) Chloroform B) Acetone
C) Benzene D) Propylene
 
Answer & Explanation Answer: A) Chloroform

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Q:

The atoms of Germanium, Arsenic, Selenium and Bromine contain ...... shells.

A) 3 B) 7
C) 5 D) 4
 
Answer & Explanation Answer: D) 4

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Q:

Which of the following is a Synthetic rubber?

A) Leoprene B) Monoprene
C) Neoprene D) Isoprene
 
Answer & Explanation Answer: C) Neoprene

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Q:

Fe has 26 protons in its nucleus. What are the number of electrons in Fe2+ (II) ion?

A) 24 B) 26
C) 28 D) 13
 
Answer & Explanation Answer: A) 24

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Q:

Which compound is a saturated hydrocarbon?

A) Alkene B) Alkane
C) Alkine D) All of the above
 
Answer & Explanation Answer: B) Alkane

Explanation:

Alkanes are saturated hydrocarbons. Saturated means that the hydrocarbon has only single bonds and that the hydrocarbon contains the maximum number of hydrogen atoms for each carbon atom.

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Q:

Which of the following is not soluble in water?

A) Lead sulphate B) Zinc sulphate
C) Potassium sulphate D) Sodium sulphate
 
Answer & Explanation Answer: A) Lead sulphate

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Q:

Which of the following is a chemical formula of quicklime?

A) Ca2O B) Ca2CO3
C) CaO2 D) CaO
 
Answer & Explanation Answer: D) CaO

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