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What is Calcium sulphate ?

  • epsom salt
  • blue vitriol
  • gypsum salt
  • potash alum

Answer: Option C

Similar Questions :

1. The term PVC used in the plastic industry stands for

  • polyvinyl chloride
  • polyvinyl carbobate
  • phosphor vanadiu chloride
  • phosphavinyl chloride

Answer: Option A

2. The material which can be deformed permanently by heat and pressure is called a

  • thermoset
  • thermoplastic
  • chemical compound
  • polymer

Answer: Option A

3. A catalyst is a substance which

  • increases the activation energy
  • increases the rate of reaction and increases the equilibrium concentration of products
  • changes the equilibrium of a reaction so that the concentration of the product increases
  • hastens the attainment of equilibrium

Answer: Option D

4. Which of the following elements behave chemically both as a metal and a non metal?

  • Boron
  • Carbon
  • Argon
  • Mercury

Answer: Option A

5. The single acid which dissolves gold is ?

  • Aqua regia
  • Hydrochloric acid
  • Nitric acid
  • Selenic acid

Answer: Option A

Read more from - Chemistry Questions Answers
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