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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. The luster of a metal is due to :

  • high polishing
  • high density
  • chemical inertness
  • presence of free electrons

Answer: Option D

2. The Chemical Symbol of Sodium is

  • So
  • Sd
  • Na
  • Nu

Answer: Option C

3. Enzymes are

  • Fatty acids
  • Carbohydrates
  • Nucleic acids
  • Proteins

Answer: Option D

4. pH of blood is ?

  • 10.4
  • 9
  • 7.4
  • 4

Answer: Option C

5. All noble gases are ?

  • colourless
  • colourless
  • colourless and odourless
  • colourless and but have odour

Answer: Option C

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