Chemistry, asked by mahendersinghm133, 4 days ago

which of the following material fall in the category of a pure subatance? (a) air (b) milk (c) calcium oxide (d) iron

Answers

Answered by aarushtendulkar

0

Answer:

d) Iron

Explanation:

Iron

pure substance contains only one element

Iron as a big chunk have only *Fe* element

Answered by tshreeiasqol16

0

Answer:

iron

Explanation:

air is impure because it's the mixture of many different gases

milk is impure it contains hydrogen

calcium oxide is impure it contains oxygen

iron is pure it has no mixture

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