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Chemistry 5070 · Cambridge (CAIE) O Level

Hydrocarbons

8 past-paper questions on Hydrocarbons · examined 2020–2025.

20251 question

5070/21 · M/J · Q5(a) [1]Sign up to mark my answer →

Explain why octane is a hydrocarbon.

20243 questions

5070/12 · O/N · Q36 [1]Sign up to mark my answer →

Which statement about hydrocarbons is correct?

5070/21 · M/J · Q2(c)(i) [1]Sign up to mark my answer →

Explain why ethyne is a hydrocarbon.

5070/22 · M/J · Q2(b)(i) [1]Sign up to mark my answer →

Explain why methane is a hydrocarbon.

20204 questions

5070/11 · M/J · Q35 [1]Sign up to mark my answer →

The molecules of two hydrocarbon compounds X and Y each contain only four carbon atoms. X is saturated and Y is unsaturated. Which statements are correct?

5070/11 · O/N · Q36 [1]Sign up to mark my answer →

X is a branched hydrocarbon with the ratio of carbon atoms to hydrogen atoms being 1:2. X has a relative molecular mass of 56. What is the identity of X?

5070/11 · O/N · Q36 [1]Sign up to mark my answer →

X is a branched hydrocarbon with the ratio of carbon atoms to hydrogen atoms being 1:2. X has a relative molecular mass of 56. What is the identity of X?

5070/21 · M/J · Q10(c)(i) [2]Sign up to mark my answer →

C3H8 is an alkane and C3H6 is an alkene. Explain why, in terms of their general formulae, C3H8 is an alkane and C3H6 is an alkene.

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