Chemistry
Grade-7
Easy
Question
Mixtures are
- Pure substances
- Compound
- Molecules
- Impure substances
Hint:
Pure substances are combinations of only one kind of substance together whereas a mixture is the combination of two or more impure substances in any proportions.
The correct answer is: Impure substances
- A substance is impure if it is made up of several types of elements that have been mixed physically rather than chemically.
- Impure substances are also referred to as mixes.
- Mixtures are classified as homogeneous or heterogeneous.
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