Question Detail

Who proposed first atomic theory ?

  • E.Rutherford
  • De Broglie
  • John Dalton
  • D.I.Mendeleef
Similar Questions :

1. Which one is an organic Acid ?

  • Sulphuric
  • Citric
  • Nitric
  • Phosphoric

2. What is used to avoid melting of ice ?

  • Gelatine
  • Butane
  • Methane
  • Any acid

3. A catalyst is a substance which

  • increases the activation energy
  • increases the rate of reaction and increases the equilibrium concentration of products
  • changes the equilibrium of a reaction so that the concentration of the product increases
  • hastens the attainment of equilibrium

4. What is the hardest form of carbon ?

  • coke
  • graphite
  • charcoal
  • diamond

5. The cyclotron is used to

  • accelerating particles
  • separating elements
  • purifying metals
  • making alloys
Read more from - Chemistry Questions Answers