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Contact lenses are made from ?

  • Polyvinyl chloride
  • Teflon
  • Polystyrene
  • Lucite

Answer: Option A

Similar Questions :

1. The nuclear particles which are assumed to hold the nucleons together are ?

  • positrons
  • neutrons
  • electrons
  • mesons

Answer: Option D

2. Elements that show the properties of both metals and non metals are called ?

  • metalloids
  • allotropes
  • alloys
  • colloids

Answer: Option A

3. The cyclotron is used to

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

Answer: Option A

4. Acids taste

  • Sour
  • Sweet
  • May be both
  • None of both

Answer: Option A

5. Brass is an alloy of ?

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

Answer: Option B

Read more from - Chemistry Questions Answers
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