Wrought iron is obtained by heating cast iron in a furnac...
Wrought iron is obtained by heating cast iron in a furnace with?
magnetite
haematite
carbon(ii)oxide
calcium trioxosilicate(iv)
Correct answer is B
Cast iron + haematite = wrought iron
What volume of 0.5M H2SO4 will exactly neutralize 20cm3 of 0.1M NaOH Solution? ...
Which of these properties gives a solid its definite shape? ...
The oxidation number of nitrogen in \(Pb(NO_{3})_{2}\) is...
Natural water collected from rivers and ponds contain oxygen, carbon (IV) oxide and ...
Which of the following statements is FALSE? ...
At what temperature does the solubility of \(KNO_{3}\) equal that of \(NaNO_{3}\)? ...
What is the IUPAC name for the compound...
What current in amperes will deposit 2.7g of aluminium in 2 hours? [Al = 27, F = 96 500 C mol-1]...