Now answer the following question:
1. Explain compound and a mixture with a suitable example.
2. Differentiate between a compound and a mixture.
3. Classify the following into compounds and mixtures. Also identify pure substance from the give list
and write them separately.
Water, Soil, Sugar, Salt, Sugar solution, Air, Milk, Carbon dioxide, Hydrochloric acid, Brick
Answers
Answer:
Matter can be broken down into two categories: pure substances and mixtures. Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be separated into their original components. A chemical substance is composed of one type of atom or molecule.
A mixture is made of two or more substances that are not chemically combined whereas a compound is made of 2 or more elements that are chemically combined. ... The elements that make up the compound are combined in fixed ratios. For example, water is always two atoms of hydrogen and one atom of oxygen.
:Examples of Pure Substances. Examples of pure substances include tin, sulfur, diamond, water, pure sugar (sucrose), table salt (sodium chloride) and baking soda (sodium bicarbonate). Crystals, in general, are pure substances. Tin, sulfur, and diamond are examples of pure substances that are chemical elements.
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Answer:
3 answer
Compounds : - Water, Sugar, Salt, Carbon Dioxide, Hydrochloric Acid,
Mixtures : - Soil, Sugar solution, Air, Milk, Brick
All compounds are pure substances.