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The major component used in preparation of different types of glasses is :

  • Sodium borate
  • Sodium silicate
  • Silica
  • Calcium silicate

Answer: Option C

Similar Questions :

1. What is extracted from Bauxite ?

  • Mica
  • Aluminium
  • Copper
  • Tin

Answer: Option B

2. 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

Answer: Option B

3. Bleaching action of chlorine is by

  • decomposition
  • hydrolysis
  • reduction
  • oxidation

Answer: Option A

4. The most malleable metal is

  • platinum
  • silver
  • gold
  • iron

Answer: Option C

5. The cyclotron is used to

  • accelerating particles
  • separating elements
  • purifying metals
  • making alloys

Answer: Option A

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