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What is hottest part of the gas flame is called ?

  • blue zone
  • luminous zone
  • dark zone
  • non-luminous zone

Answer: Option D

Similar Questions :

1. Which is not a type of elements ?

  • Metals
  • Non Metals
  • Metalloids
  • Gases

Answer: Option D

2. The most electronegative element among the following is

  • sodium
  • bromine
  • fluorine
  • oxygen

Answer: Option C

3. Who is regarded as father of modern chemistry ?

  • Ruterford
  • Einstein
  • Lavoisier
  • C.V. Raman

Answer: Option C

4. Homo nuclear molecules contain ?

  • polar bond
  • covalent bond
  • ionic bond
  • coordinate bond

Answer: Option B

5. The metal used to recover copper from a solution of copper sulphate is ?

  • Na
  • Ag
  • Hg
  • Fe

Answer: Option D

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