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Chemical Reactions and Equations Quiz 5

Answer these simple questions correctly and earn coins

Difficulty Level :
10 Questions

Popular Questions In Chemical Reactions and Equations Quiz 5

  • In a decomposition reaction of CuCO3CuCO_3 which one is formed?

  • The gas liberated when zinc carbonate decomposes is ………………

  • Zinc displaces the following gas from sulphuric acid ………………

  • Which of the following gases puts off the matchstick when calcium carbonate is heated?

  • Which of the following gases indicate the brown fumes liberating in the boiling tube when lead nitrate is heated?

  • A substance is in light yellow colour. If we put it in sunlight, it changes into grey colour. What is the substance?

  • In electrolysis of water experiment, the ratio of volumes of oxygen and hydrogen gases evolved is ………………

  • The process of preparing slaked lime by adding water to quicklime is this type of chemical reaction.

  • Which of the following precipitates is formed on mixing sodium sulphate with barium chloride solution?

  • Which of the following is the colour of hydrous copper sulphate (CuSO4)(CuSO_4)?