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iGCSE Chemistry - tests for ions and gases

Authored by Nicola Porch

Chemistry

9th - 10th Grade

NGSS covered

Used 832+ times

iGCSE Chemistry - tests for ions and gases
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28 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Flame colour for sodium ions

Blue
Red
Green
Yellow

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Flame colour for lithium ions

Blue
Red
Green
Yellow

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Metal ion with a lilac flame

Na+
K+
Na2+
K2+

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Colour of precipitate when sodium hydroxide is added to a copper(II) ion solution.

White
Brown
Green
Blue

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Colour of precipitate when sodium hydroxide is added to a iron(II) ion solution.

White
Brown
Green
Blue

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Colour of precipitate when sodium hydroxide is added to a iron(III) ion solution.

White
Brown
Green
Blue

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Test for bromide ions is....

Add acid
Add barium chloride
Add silver nitrate

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