Chemistry Questions

Q:

............ element is represented by the given symbol.

A) Hydrogen B) Mercury
C) Carbon D) Gold
 
Answer & Explanation Answer: B) Mercury

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Q:

Chromite is an ore/mineral of

A) Zinc B) Uranium
C) Chromium D) Titanium
 
Answer & Explanation Answer: C) Chromium

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Q:

What is contained in Chlorophyll ?

A) sodium B) potassium
C) manganese D) magnesium
 
Answer & Explanation Answer: D) magnesium

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Q:

Name the gas used in preparation of bleaching powder

A) Oxygen B) Hydrogen
C) Nitrogen  D) Chlorine
 
Answer & Explanation Answer: D) Chlorine

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Q:

The oceanic crust mainly consists of silica and __________.

A) magnesium B) iron
C) manganese D) sulphur
 
Answer & Explanation Answer: A) magnesium

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Q:

Which of the following is most important for absorption of heat radiated from the Sun as well as from the Earth?

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

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Q:

What is nature of pH of Milk?

A) Slightly Acidic B) Slightly Basic
C) Highly Acidic D) Highly Basic
 
Answer & Explanation Answer: A) Slightly Acidic

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Q:

Covalent Bond is also called _________.

A) Molecular Bond B) Proton Bond
C) Nucleus Bond D) Electron Bond
 
Answer & Explanation Answer: A) Molecular Bond

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