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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

The percentage of carbon dioxide in air is about

Question 2 of 10

Question 2 of 10

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

Question 3 of 10

Question 3 of 10

The most abundant gas in air is

Question 4 of 10

Question 4 of 10

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

Question 5 of 10

Question 5 of 10

Which gas in air is used by plants for photosynthesis?

Question 6 of 10

Question 6 of 10

Oxygen in air is needed for

Question 7 of 10

Question 7 of 10

Limewater turns milky when it reacts with

Question 8 of 10

Question 8 of 10

About what percentage of air is oxygen?

Question 9 of 10

Question 9 of 10

The noble gas present in air in the largest amount is

Question 10 of 10

Question 10 of 10

Which gas makes up about 78% of the air?

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