iGCSE Topic 2c Gases in the Atmosphere MCT

iGCSE Topic 2c Gases in the Atmosphere MCT

9th - 10th Grade

43 Qs

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iGCSE Topic 2c Gases in the Atmosphere MCT

iGCSE Topic 2c Gases in the Atmosphere MCT

Assessment

Quiz

Chemistry

9th - 10th Grade

Practice Problem

Medium

Created by

Matt Teasdale

Used 4+ times

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43 questions

Show all answers

1.

DRAG AND DROP QUESTION

1 min • 1 pt

The correct calculation for the % of oxygen in air:

% oxygen = ​( (a)   ​ (b)   ​ (c)   ) x 100

change in volume
total starting volume
final volume

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Initial volume = 50.0 cm3

Final volume = 40.5 cm3

Calculate the % of oxygen in air to 1 decimal place

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Initial volume = 25 cm3

Final volume = 20.2 cm3

Calculate the % of oxygen in air to 1 decimal place

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Initial volume = 48.0 cm3

Final volume = 38.2 cm3

Calculate the % of oxygen in air to 1 decimal place

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Initial volume = 9.5 cm3

Final volume = 7.5 cm3

Calculate the % of oxygen in air to 1 decimal place

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Initial volume of syringe = 90.0 cm3

Final volume of syringe = 62.3 cm3

Volume of air in connecting tube = 10.0 cm3

Volume of air in conical flask = 50.0 cm3

Calculate the % of oxygen in air to 1 decimal place

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Initial volume of syringe = 75.0 cm3

Final volume of syringe = 34.6 cm3

Volume of air in connecting tube = 15.0 cm3

Volume of air in conical flask = 110.0 cm3

Calculate the % of oxygen in air to 1 decimal place

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