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The single acid which dissolves gold is ?

  • Aqua regia
  • Hydrochloric acid
  • Nitric acid
  • Selenic acid

Answer: Option A

Similar Questions :

1. Sugars are converted in the liver into

  • Glycogen
  • Vitamin
  • Monosaccharide
  • None of above

Answer: Option A

2. What is Calcium sulphate ?

  • epsom salt
  • blue vitriol
  • gypsum salt
  • potash alum

Answer: Option C

3. Human bone does not contain

  • calcium
  • carbon
  • oxygen
  • phosphorous

Answer: Option C

Explanation:

Human bone contains calcium, carbon, phosphorous.

4. The most malleable metal is

  • platinum
  • silver
  • gold
  • iron

Answer: Option C

5. Which gas is used to manufacture vanaspati from vegetable oil is

  • carbon dioxide
  • nitrogen
  • oxygen
  • hydrogen

Answer: Option D

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