SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following are considered to be pure substances (more than 1 answer)?
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compounds
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elements
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molecules
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mixtures
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Explanation:
Detailed explanation-1: -Elements and compounds are pure substances, but mixtures are not.
Detailed explanation-2: -Ice, Iron, Hydrochloric acid, Calcium oxide, and Mercury are pure substances because their chemical compositions are the same throughout.
Detailed explanation-3: -Pure substances can be divided into two categories, elements and compounds. You already know that elements are pure substances that cannot be broken down into simpler substances. When elements combine, they form new substances called compounds.
Detailed explanation-4: -Hydrogen gas. Gold metal. Sugar (sucrose) Baking soda (sodium bicarbonate) Ammonia. Diamond. Copper wire. Silicon chip. More items •30-Aug-2018
There is 1 question to complete.