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The high reactivity of fluorine is due to ?

  • small size of fluorine atom
  • its high electro negativity
  • availability of d-orbitals
  • strong F - F bond

Answer: Option B

Similar Questions :

1. The cyclotron is used to

  • accelerating particles
  • separating elements
  • purifying metals
  • making alloys

Answer: Option A

2. Mass number of a nucleus is :

  • the sum of the number of protons and neutrons present in the nucleus
  • always more than the atomic weight
  • always less than its atomic number
  • None of above

Answer: Option A

3. Which of the primary component of natural gas?

  • Ethane
  • Propane
  • Methane
  • Butane

Answer: Option C

4. Which acid is present in lemon ?

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

Answer: Option B

Explanation:

citric acid is present in lemon.

5. Faraday's Law is associated with

  • Reaction of gases
  • Pressure of gases
  • Electrolysis
  • Temperature and pressure

Answer: Option C

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