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 Chemistry Questions

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Q:

Which of the following metals does NOT react with cold or hot water?

A) Aluminium B) Potassium
C) Sodium D) Calcium
 
Answer & Explanation Answer: A) Aluminium

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Q:

Non-metallic character increases from ____.

A) Magnesium to Barium B) Potassium to Caesium
C) Oxygen to Selenium D) Sodium to Chlorine 
 
Answer & Explanation Answer: D) Sodium to Chlorine 

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Q:

Which of the following is used to get relief when you have been stung by a honeybee?

A) Common salt B) Baking soda
C) Acetic acid D) Washing soda
 
Answer & Explanation Answer: B) Baking soda

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0 1016
Q:

Which of the following is the most common kidney stone-forming compound?

A) Calcium oxalate B) Magnesium oxide
C) Sodium bicarbonate D) Magnesium citrate
 
Answer & Explanation Answer: A) Calcium oxalate

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0 1012
Q:

Which of the following salts is acidic in nature?

A) Sodium Carbonate B) Ammonium Phosphate
C) Magnesium Sulphate D) Sadium Acetate
 
Answer & Explanation Answer: A) Sodium Carbonate

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Q:

Which of the following causes damage to bridges, iron railings and all objects made of metals?

A) Reduction B) Rancidity
C) Acidity D) Corrosion
 
Answer & Explanation Answer: D) Corrosion

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Q:

NaCl is a salt which is made up of

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

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3 1007
Q:

One of the techniques used for desalination of sea water is

A) Filtration B) Distillation
C) Evaporation D) Condensation
 
Answer & Explanation Answer: B) Distillation

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