Give an important ore of each of Aluminium and Copper.

Give an important ore of each of Iron and Calcium.

Give an important ore of each of Zinc and Magnesium.

Important ore of zinc is

Give important ores of calcium and magnesium.

An ore of aluminium is

Write two ores of Aluminium.

Give two ores of aluminium.

Give important uses of aluminium.

Give important properties of enzymes.

State whether the statement is true or false- Bronze is an alloy which is made up of Aluminium and Copper.