SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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elements
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colloids
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heterogeneous mixture
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solutions
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Detailed explanation-1: -Ice, Iron, Hydrochloric acid, Calcium oxide, and Mercury are pure substances because their chemical compositions are the same throughout.
Detailed explanation-2: -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.
Detailed explanation-3: -Ans. Pure substances are: Ice, iron, hydrochloric acid, calcium oxide and mercury.
Detailed explanation-4: -Hydrogen gas. Gold metal. Sugar (sucrose) Baking soda (sodium bicarbonate) Ammonia. Diamond. Copper wire. Silicon chip. More items •30-Aug-2018