Daily Practice · GCSE Science

Daily Practice - GCSE Science

22nd March 1997

5 questions · GCSE · 584 questions in this band

1
Organic Chemistry
State what happens to the boiling point of hydrocarbons as their chain length increases.
2
Alkanes, Alkenes and Crude Oil
Name the catalyst used when an alkene reacts with hydrogen to form an alkane.
3
Alcohols, Carboxylic Acids and Polymers
State what happens to the carbon-to-carbon double bond of an alkene monomer during addition polymerisation.
4
Chemical Analysis
Give one piece of evidence that a solid sample is impure, based on its melting behaviour.
5
Tests for Ions, Gases and Flame Tests
Describe the test, and the positive result, for ammonium ions.

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