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Q:

Common salt (NaCl) is made up of

A) a weak acid and a weak base B) a strong acid and a weak base
C) a weak acid and a strong base D) a strong acid and a strong base
 
Answer & Explanation Answer: D) a strong acid and a strong base

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Q:

Choose the one which is different or odd from the following.

A) Aluminium B) Iron
C) Copper D) Brass
 
Answer & Explanation Answer: D) Brass

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Q:

Which one of the following oxides of Nitrogen is also known as Laughing Gas?

A) NO2 B) N2O5
C) NO D) N2O
 
Answer & Explanation Answer: D) N2O

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Q:

Which one of the following is a bad Thermal Conductor?

A) Aluminium B) Copper
C) Glass D) Silver
 
Answer & Explanation Answer: C) Glass

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Q:

Which of the following is an amphoteric oxide?

A) Aluminium oxide B) Iron oxide
C) Magnesium oxide D) Carbon dioxide
 
Answer & Explanation Answer: A) Aluminium oxide

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Q:

Ammonium nitrate, on thermal decomposition, produces :

A) NH3 and NO2 B) NH3 and NO
C) N2 and H2O D) N2O and H2O
 
Answer & Explanation Answer: D) N2O and H2O

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Q:

Which of the following is called Aurum?

A) Bronze B) Gold
C) Silver D) Copper
 
Answer & Explanation Answer: B) Gold

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Q:

What is the full form of PVC?

A) Phosphonil vinyl Carbonate B) Polyvinyl S Carbonate
C) Polyvinyl Carbonate D) Polyvinyl Chloride
 
Answer & Explanation Answer: D) Polyvinyl Chloride

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