Question 1(a)(i)
[Maximum number: 1]
State one gas which:
is the main constituent of natural gas
CAIE IGCSE Chemistry Main Constituent of Natural Gas
Practise identifying methane and its formula as the main constituent of natural gas and distinguishing it from ethane or unrelated atmospheric gases.
How this is tested
- state clearly that methane, CH₄, is the principal constituent of natural gas
- identify methane from natural-gas composition or complete-combustion product data