πŸ“Š Chemical Process Industries
Q. Which of the following is an yellow pigment?
  • (A) zinc sulphides
  • (B) lead chromates
  • (C) titanium dioxide
  • (D) ferrous sulphate
πŸ’¬ Discuss
βœ… Correct Answer: (B) lead chromates
πŸ“Š Chemical Process Industries
Q. Phenol is mainly used
  • (A) as a plasticizer for unsaturated polyster
  • (B) to produce polyester resin
  • (C) to produce phenol formaldehyde
  • (D) to produce benzene
πŸ’¬ Discuss
βœ… Correct Answer: (C) to produce phenol formaldehyde
πŸ“Š Chemical Process Industries
Q. Sulphuric acid completely saturated with sulphur trioxide is called
  • (A) dilute sulphuric acid
  • (B) sulphurous oxide
  • (C) oleum
  • (D) concentrated sulphuric acid
πŸ’¬ Discuss
βœ… Correct Answer: (D) concentrated sulphuric acid
πŸ“Š Chemical Process Industries
Q. Thermosetting plastic materials
  • (A) is useful for spinning
  • (B) cannot be melted after forming
  • (C) can be repeatedly melted
  • (D) is useful for melt casting
πŸ’¬ Discuss
βœ… Correct Answer: (B) cannot be melted after forming

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