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Who proposed first atomic theory ?

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

Answer: Option C

Similar Questions :

1. Nail polish remover contains ?

  • benzene
  • acetic acid
  • acetone
  • petroleum ether

Answer: Option C

2. Which gas is filled in refrigerators ?

  • Chlorofluorocarbon
  • Acetylene
  • Methane
  • Butane

Answer: Option A

3. Aspirin is

  • acetyl salicylic acid
  • sodium salicylate
  • methyl salicylate
  • ethyl salicylate

Answer: Option A

4. pH of blood is ?

  • 10.4
  • 9
  • 7.4
  • 4

Answer: Option C

5. Oil of vitriol is

  • nitric acid
  • sulphuric acid
  • hydrochloric acid
  • phosphoric acid

Answer: Option B

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