Daily Practice · GCSE Science

Daily Practice - GCSE Science

9th October 1996

5 questions · GCSE · 584 questions in this band

1
Organic Chemistry
Hexadecane (C16H34) is cracked to produce dodecane (C12H26) and one other product. Calculate the molecular formula of the other product.
2
Alkanes, Alkenes and Crude Oil
Name the alkene with the molecular formula C4H8.
3
Alcohols, Carboxylic Acids and Polymers
Name the type of biological molecule formed when amino acid monomers join together by condensation polymerisation.
4
Chemical Analysis
State the reagent added, and the result, that shows a white solid contains sulfate ions.
5
Tests for Ions, Gases and Flame Tests
Explain how the sodium hydroxide test distinguishes aluminium ions from calcium ions, given that both give a white precipitate.

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