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Course: Edexcel Igcse Chemistry Modular — UNIT 2
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Edexcel Igcse Chemistry Modular — UNIT 2

Unit 2 · Bonding & Electrolysis

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Unit 2 · Inorganic Chemistry

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Unit 2 · Physical Chemistry

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Unit 2 · Organic Chemistry

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Quiz

Chemical tests – Check yourself

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Chemical tests Edexcel O Level Modular Chemistry check yourself quiz: free practice for Edexcel Modular – OL (chemistry). Work through this Chemical tests Edexcel O Level Modular Chemistry check yourself quiz and get instant feedback on every answer. If you get stuck, review the 2h Chemical tests — Notes lesson. More practice: Edexcel Modular – OL (chemistry) — all units. Syllabus: Pearson Edexcel International GCSEs.

  • Questions count: 10
  • Passing grade: B+
  • Time limit: 10 minutes
Start Quiz
1.
Which gas relights a glowing splint?
Hydrogen
Carbon dioxide
Oxygen
Chlorine
2.
What colour does potassium give in a flame test?
Lilac
Yellow
Red
Blue-green
3.
A solution gives an orange-brown precipitate with NaOH. The ion is:
Cu2+
Fe2+
Ca2+
Fe3+
4.
A chloride solution with acidified silver nitrate gives:
a yellow precipitate
a white precipitate
a cream precipitate
no change
5.
Which reagent tests for sulfate ions?
Silver nitrate
Limewater
Barium chloride with dilute HCl
Sodium hydroxide
6.
How can you show a liquid is pure water?
It turns anhydrous copper sulfate blue
It boils at exactly 100 °C
It is colourless
It turns litmus red
7.
Which statement best describes Anion?
An unreactive wire used to hold a sample in the flame test.
Heating a sample in a flame to identify a metal ion by the colour produced.
A negatively charged ion, e.g. Cl−, identified by precipitation or gas tests.
Reagent used to test for halide ions, giving coloured precipitates.
8.
Which statement best describes Limewater?
A positively charged ion, e.g. Cu2+, identified by flame tests or sodium hydroxide.
An unreactive wire used to hold a sample in the flame test.
Heating a sample in a flame to identify a metal ion by the colour produced.
Calcium hydroxide solution, which turns milky (cloudy) with carbon dioxide.
9.
Which statement best describes Acidified silver nitrate?
An unreactive wire used to hold a sample in the flame test.
Reagent used to test for halide ions, giving coloured precipitates.
Indicator paper used to test gases; must be damp so the gas can dissolve.
Calcium hydroxide solution, which turns milky (cloudy) with carbon dioxide.
10.
Which statement best describes Anhydrous copper(II) sulfate?
Reagent used to test for halide ions, giving coloured precipitates.
A white solid that turns blue when water is added.
Indicator paper used to test gases; must be damp so the gas can dissolve.
Heating a sample in a flame to identify a metal ion by the colour produced.
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Part of Unit 2 · Inorganic Chemistry — see every lesson and quiz in this unit.
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