Kenya KCSE · Chemistry
Electrolysis, organic chemistry and environmental chemistry
12 practice questions, each with the answer and an explanation.
Practise Electrolysis, organic chemistry and environmental chemistry now
Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.
All 12 questions
- What is produced at the cathode when concentrated sodium chloride solution (brine) is electrolysed?
- In the electrolysis of copper(II) sulphate with copper electrodes, what happens at the anode?
- A current of 2 A flows for 965 seconds through copper(II) sulphate solution. What mass of copper is deposited at the cathode? (1 Faraday = 96500 C, Cu = 64)
- Which is the general formula of the alkenes?
- Which test distinguishes an alkene from an alkane?
- How many carbon atoms are in a molecule of butane?
- Which gas is mainly responsible for the formation of acid rain?
- Hard water contains dissolved salts of
- Which method removes permanent hardness from water?
- The process by which iron rusts needs
- Which metal is extracted from its ore haematite in the blast furnace?
- The cracking of long-chain alkanes produces
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