Chemistry Questions

Q:

Which of the following elements has the lowest melting point?

A) Helium B) Potassium
C) Tungsten D) Sulphur
 
Answer & Explanation Answer: A) Helium

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Q:

_____ is the most ductile metal.

A) Ph B) C
C) Au D) Ag
 
Answer & Explanation Answer: C) Au

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Q:

Chemical composition of cement is

A) Limestone and Clay B) Limestone, Clay and Gypsum
C) Limestone and Gypsum D) Clay and Gypsum
 
Answer & Explanation Answer: B) Limestone, Clay and Gypsum

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Q:

Which of the following is not an Igneous Rock?

A) Dolomite B) Granite
C) Basalt D) Gabbro
 
Answer & Explanation Answer: A) Dolomite

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Q:

Name the noble gas which is placed in the third period and eighth group of the Modern Periodic table.

A) Helium B) Argon
C) Neon D) Krypton
 
Answer & Explanation Answer: B) Argon

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Q:

Acetic Acid is another name for which of the following?

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

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Q:

Which of the following gases is known as "Laughing Gas"?

A) Nitrous oxide B) Nitrogen peroxide
C) Nitrogen D) Nitric oxide
 
Answer & Explanation Answer: A) Nitrous oxide

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Q:

Cinnabar is an ore/mineral of

A) Lead B) Manganese
C) Molybdenum D) Mercury
 
Answer & Explanation Answer: D) Mercury

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