Science
Fe2O3 + 2Al ⟶ Al2O3 + 2Fe
The above reaction is an example of a
- combination reaction.
- double displacement reaction.
- decomposition reaction.
- displacement reaction.
Related Questions
Identify the substances that are oxidised and the substances that are reduced in the following reactions.
(i) 4Na (s) + O2 (g) ⟶ 2Na2O (s)
(ii) CuO (s) + H2 (g) ⟶ Cu (s) + H2O (l)
Which of the statements about the reaction below are incorrect?
2PbO (s) + C (s) ⟶ 2Pb (s) + CO2 (g)
(a) Lead is getting reduced.
(b) Carbon dioxide is getting oxidised.
(c) Carbon is getting oxidised.
(d) Lead oxide is getting reduced
- (a) and (b)
- (a) and (c)
- (a), (b) and (c)
- all
What happens when dilute hydrochloric acid is added to iron fillings? Tick the correct answer.
- Hydrogen gas and iron chloride are produced.
- Chlorine gas and iron hydroxide are produced.
- No reaction takes place.
- Iron salt and water are produced.
What is a balanced chemical equation? Why should chemical equations be balanced?