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Question Detail

Brass is an alloy of ?

  • Copper and Tin
  • Copper and Zinc
  • Copper and Aluminium
  • Iron and Copper

Answer: Option B

Similar Questions :

1. Due to rusting the weight of iron

  • Decreases
  • Increases
  • Remains the same
  • Uncertain

Answer: Option B

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

  • carbon dioxide
  • nitrogen
  • oxygen
  • hydrogen

Answer: Option D

3. Which acid is present in lemon ?

  • marlic acid
  • citric acid
  • lactic acid
  • tartaric acid

Answer: Option B

Explanation:

citric acid is present in lemon.

4. Which have maximum number of isotopes ?

  • Bromine
  • Aluminium
  • Polonium
  • Carbon

Answer: Option C

5. What is Calcium sulphate ?

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

Answer: Option C

Read more from - Chemistry Questions Answers
Post a comment

  • ashwini bagul 6 years ago

    I like this test ......it's very easy and important...

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