Is rainwater a pure substance or a mixture?

Answer 1

rainwater can be considered a solution or a mixture.

Rain drops as they fall through the atmosphere will dissolve atmospheric gases. This makes rainwater a solution. All rainwater contains carbon dioxide # CO_2# In some extreme conditions rainwater can be a solution of sulfurous acid. #SO_2# dissolves into the raindrops forming an acidic solution.

Raindrops can also pick up dust and other material particles as they fall through the atmosphere. Because there are many different types of materials in the air, the rainwater will become a mixture because the dust and other particles do not dissolve into it, leaving it as a mixture rather than a solution.

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Answer 2

Rainwater is a mixture.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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