Coke and iron ore are fed into the top of the blast furnace. Name one other substance that is fed into the top of the blast furnace.
Name the substance that exits the blast furnace at A.
Slag is formed from an impurity in iron ore. Name the impurity in iron ore that is changed into slag.
Name two substances that react together to produce the high temperature in the blast furnace.
Name two waste gases that come out of the blast furnace.
Suggest why the zinc produced inside the furnace is a gas.
State the name of the physical change that occurs when gaseous zinc is converted into molten zinc.
Name the process used to coat iron with zinc as a method of rust prevention.
If the zinc coating is scratched, the iron below it does not rust. Explain why the iron beneath the zinc does not rust.
State the general name used for oxides that react with both acids and bases.
Deduce the formula of sodium zincate.
Name the zinc compound formed when zinc oxide neutralises dilute sulfuric acid.