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Integrated Science

Integrated Science · Quick practice · answer shown after each question

The composition of air

Question 1 of 10

Question 1 of 10

Which gas in air is used by plants for photosynthesis?

Question 2 of 10

Question 2 of 10

In the experiment where 100 cm³ of air passes over heated copper until no further change, the volume remaining is about

Question 3 of 10

Question 3 of 10

The noble gas present in air in the largest amount is

Question 4 of 10

Question 4 of 10

When air is passed over heated copper, the copper turns black because it reacts with

Question 5 of 10

Question 5 of 10

Limewater turns milky when it reacts with

Question 6 of 10

Question 6 of 10

The percentage of carbon dioxide in air is about

Question 7 of 10

Question 7 of 10

Which gas makes up about 78% of the air?

Question 8 of 10

Question 8 of 10

About what percentage of air is oxygen?

Question 9 of 10

Question 9 of 10

The most abundant gas in air is

Question 10 of 10

Question 10 of 10

Oxygen in air is needed for

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.