Q3. Petroleum diesel is a fuel made from crude oil. Biodiesel is a fuel made from vegetable oils. To make biodiesel, large areas of land are needed to grow ...

The cracking of hydrocarbons can make alkanes and one other type of chemical. Name this chemical and describe a chemical test that could be used to identify ...

Summary notes, revision videos and past exam questions by topic for AQA Chemistry GCSE Topic 7 - Organic Chemistry.

Cambridge IGCSE Chemistry – past and specimen paper questions and answers. Organic 1. CORE questions. Page 2. 86 v1 4Y11. Cambridge IGCSE Chemistry – past and ...

4.3 Solutions of propanoic acid and hydrochloric acid with the same concentration have different pH values. Explain why the solution of propanoic acid has a ...

The questions in this document have been compiled from a number of past papers, as indicated in the table below.

List the following fractions from fractional distillation in order of boiling point, the fraction with the lowest boiling point should be first.

(a) Use the Chemistry Data Sheet to help you to answer this question. The chemical equation for charcoal burning is: C + O2. CO2. Complete the word equation ...

GCSE Chemistry Exam Questions by Topic · Atomic Structure · Reactivity of Metals · Organic Chemistry · Chemical Reaction Rates · Chemical Calculations · Using ...

Core questions – Chemistry unit 7 - Organic chemistry. No. Question. Answer. 1 What is an organic compound? Something that contains carbon atoms. 2 How did ...