Hello, please answer these questions 1. Differentiate between pure substances and mixtures. 2. Why do we need to separate different components of a mixture? Give an example Give reason: 3. A tablespoon of sugar is kept in a bowl. Some flour gets mixed with it by mistake.Can you suggest the way by which it can be separated? Give reason for selecting this separation method.
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Ans 1) Substances which have a specific composition are called pure substances. They cannot be separated into any other form of matter. Pure substances are further divided into elements and compounds. The combination of two or more pure substances is called mixture.
Ans 2)Different components of a mixture are separated in order to either separate the unrequired components from a mixture or sometimes, to separate more than one useful components from a mixture. -Grain purchased from shops can contain several impurities such as pieces of stone, husk, broken grains, etc.
Ans3 ) Apologies!!! ☹ ( -_-;)
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Matter can be classified as:
☆Pure substance & Mixture
Pure substance-⠀⠀⠀
- Substace which are not made up of mixture is called pure substance.
Mixture:-
- Substance made up of other substance or mix with other substance is called mixture ⠀⠀⠀
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2. In all substance mixture all components are not good means harmful or not useful
Thats why we need to remove some component from mixture.
Ex:- When we straining flour there some big big particles which are not useful that's why we strain flour.
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Hopefully it will help you♥
sorry dear if it is wrong❌
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