Question Detail

pH of blood is ?

  • 10.4
  • 9
  • 7.4
  • 4
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1. Aspirin is

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

2. Which is used in preparation of dynamite ?

  • glycerol
  • ethyl alcohol
  • methyl alcohol
  • glycol

3. Which element found in all organic compounds ?

  • carbon
  • nitrogen
  • calcium
  • none of them

4. Water drops are spherical because of ?

  • viscosity
  • density
  • polarity
  • surface tension

5. What is a mixture of potassium nitrate powdered charcoal and sulphur called?

  • paint
  • aluminium
  • brass
  • gun powder
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