fast slow reactions rate chemical change

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Adsorption refers to the

Adsorption refers to the
  • A. bounding of a substance to surface of another substance
  • B. diffusion of one substance to bulk of other substances completely
  • C. boiling of liquid at surface
  • D. an inability to bond something at surface
  • Correct Answer: Option A

If a piece of blood-rich liver is dipped in hydrogen peroxide, gas given off is

If a piece of blood-rich liver is dipped in hydrogen peroxide, gas given off is
  • A. hydrogen
  • B. water vapors
  • C. CO
  • D. Oxygen
  • Correct Answer: Option D

Milk turns sour due to

Milk turns sour due to
  • A. conversion of lactose in lactic acid
  • B. increased chemical changes
  • C. conversion of lactic acid into lactose
  • D. Both A and B
  • Correct Answer: Option D

Haber process for manufacturing of ammonia requires catalyst of

Haber process for manufacturing of ammonia requires catalyst of
  • A. vanadium oxide
  • B. iron
  • C. platinum
  • D. nickel
  • Correct Answer: Option B

Chemical substances speeding up rate of chemical reaction is called as

Chemical substances speeding up rate of chemical reaction is called as
  • A. pressure
  • B. concentration
  • C. catalysts
  • D. inhibitors
  • Correct Answer: Option C