Question Detail

Who proposed first atomic theory ?

  • E.Rutherford
  • De Broglie
  • John Dalton
  • D.I.Mendeleef

Answer: Option C
Similar Questions :

1. What is used to avoid melting of ice ?

  • Gelatine
  • Butane
  • Methane
  • Any acid

Answer: Option A

2. The gas used for artificial ripening of green fruit is ?

  • ethane
  • ethylene
  • carbon dioxide
  • acetylene

Answer: Option B

3. All noble gases are ?

  • colourless
  • colourless
  • colourless and odourless
  • colourless and but have odour

Answer: Option C

4. Washing soda is ?

  • sodium sulphite
  • sodium bicarbonate
  • sodiun carbonate
  • sodium biosulphite

Answer: Option C

5. The luster of a metal is due to :

  • high polishing
  • high density
  • chemical inertness
  • presence of free electrons

Answer: Option D

Read more from - Chemistry Questions Answers