Vinegar and Baking Soda together produce ..............
Copper
Carbon Dioxide
Copper Sulphate
Magnesium Oxide
B.
Carbon Dioxide
The reaction of Copper Sulphate and Iron produces Iron Sulphate and __________.
Vinegar
Ash
Baking Soda
Copper
The rubbing surface of a matchbox has powdered glass and a little red............
antimony
arsenic
silicon
phosphorus
What is formed when Carbon Dioxide is passed through Lime water?
Copper Sulphate
Calcium Carbonate
Magnesium Oxide
Baking Soda
The process of depositing a layer of zinc on iron is called ..............
Galvanisation
Crystallisation
Rusting
Baking
Blue Vitriol is another name for which of the following?
Copper Sulphate
Oxygen
Copper
Magnesium Oxide