Question Detail

Which acid is present in lemon ?

  • marlic acid
  • citric acid
  • lactic acid
  • tartaric acid
Similar Questions :

1. Which have the maximum density ?

  • Water
  • Benzene
  • Ice
  • Chloroform

2. Brass is an alloy of ?

  • Copper and Tin
  • Copper and Zinc
  • Copper and Aluminium
  • Iron and Copper

3. Atomic number of an element gives

  • the number of nucleons in its atom
  • the number of electrons in its atom
  • the weight of the atom of the element
  • the total number of elementary particles in its atom

4. Why is phosphorus kept under water ?

  • to make it wet
  • to make it durable
  • water forms a protective coating on it
  • to save it from catching fire when exposed to dry air

5. Which element found in all organic compounds ?

  • carbon
  • nitrogen
  • calcium
  • none of them
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