Science Revision (Eco Systems and Chemical Reactions)

1. True or False: Copper Dioxide +Acid= Hydrogen +Salt

  • False, Copper Dioxide+Acid=Salt+Water
  • False, Copper Oxide+ Acid=Salt + Hydrogen
  • False, Copper Oxide + Acid= Salt+Water
  • True
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Other questions in this quiz

2. Which Equation makes Crystals?

  • Something Else!
  • Copper Oxide + Hydrochloric Acid= Copper Oxide Chloride+ Water
  • Metal +Acid=Salt+Hydrogen
  • Metal Carbonate+ Acid= Salt+ Carbon Dioxide+ Water

3. The word equation ' Magnisium Carbonate+ Hydrochloric Acid= MagnesiumChloride+ Water+Carbon Dioxie' in a symbol form is.....

  • MgH0+CO3+MgHy +CO2
  • MgCO3 +H2SO4= MgSo+H20+CO2
  • MgH20+CO3=MgCo2+H20+CO2
  • Mg+H20S= MgSo2 +CO2

4. Which order does this equation go in 'Salt+Acid+Copper Oxide+Water'

  • Salt+Copper Dioxide=Water+Acid
  • Salt+Acid=Copper Oxide + Water
  • Copper Oxide+ Acid=Salt+Water
  • Water+Acid=Copper Oxide+Salt

5. Metal Carbonate+Acid=......

  • =Hydrogen+Water
  • =Salt+Hydrogen+Oxygen
  • =Salt+ Carbon Dioxide+ Water
  • =Salt+ Water+ Oxygen


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