GROWTH DEVELOPMENT CHILD
SUMMATIVE ASSESSMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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mixtures and solutions
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elements and mixtures
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compounds and solutions
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compounds and elements
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Detailed explanation-1: -Elements and compounds are both examples of pure substances.
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: -Iron, steel, and water are some of the examples of a pure substance. Air may be a homogeneous mixture that’s often considered to be a pure substance. As we know diamond, sucrose, honey, and air all are pure substances.
Detailed explanation-4: -A substance that cannot be broken down into chemically simpler components is an element. Aluminum, which is used in soda cans, is an element. A substance that can be broken down into chemically simpler components (because it has more than one element) is a compound.