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 Chemistry Questions

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Q:

Magnetite is an ore/mineral of

A) Beryllium B) Chromium
C) Iron D) Lead
 
Answer & Explanation Answer: C) Iron

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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:

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

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

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Q:

Atomic number of which of the following elements is greater than that of Magnesium

A) Neon B) Fluorine
C) Sodium D) Aluminium
 
Answer & Explanation Answer: D) Aluminium

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Q:

Which of the following statement(s) is/are INCORRECT regarding Phosphorus?

A) Phosphorus reacts vigorously with water B) It is a non-metal
C) It catches fire on reacting with air D) It is found in group 15 of the modern periodic table
 
Answer & Explanation Answer: A) Phosphorus reacts vigorously with water

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Q:

Oxygen molecule is ______.

A) Monoatomic B) Diatomic
C) Triatomic D) Polyatomic
 
Answer & Explanation Answer: B) Diatomic

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Q:

Which of the following gases is heavier than oxygen?

A) Carbon dioxide B) Ammonia
C) Methane D) Helium
 
Answer & Explanation Answer: A) Carbon dioxide

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Q:

A standard drink is generally

A) 5 oz Glass of Wine B) 12 oz Beer    
C) 1.5 oz of Hard Liquor D) All the above
 
Answer & Explanation Answer: D) All the above

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