SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Saltwater
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Aluminum
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Air
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Sand
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Detailed explanation-1: -Pure Substance: The substances that are free from any kind of mixture and contain only one kind of particle are pure substances. Examples of pure substances include iron, aluminum, silver, and gold. Mixtures: Substances that have two or more different particles are mixtures.
Detailed explanation-2: -All elements are mostly pure substances. A few of them include gold, copper, oxygen, chlorine, diamond, etc. Compounds such as water, salt or crystals, baking soda amongst others are also grouped as pure substances.
Detailed explanation-3: -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.
Detailed explanation-4: -Gold. It has the same composition no matter where it comes from. Diamonds. They are formed deep within Earth in only a very few areas. Water. Considered a pure substance if the water contains only hydrogen and oxygen. Baking soda. Table salt.