Game Preview

CHEMISTRY

  • Which two chemicals could you react to make only calcium carbonate ?
    CaO + CO2
  •  15
  • What type of reaction produced an insoluble salt?
    Precipitation reaction
  •  15
  • Sodium hydroxide + sulphuric acid —> ...?
    sodium sulphate
  •  15
  • The following equation represents a reaction between a metal and an acid. Zn+HCl --> salt + H2 . What is the name of the salt and its solubility?
    zinc chloride, soluble
  •  15
  • What is the correctly written chemical formula for the ionic compound, strontium oxide?
    SrO
  •  15