SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Identify each of the following as a pure substance or a mixture:(aluminum foil)
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Pure Substance
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Mixture
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Aluminum foil is composed of aluminum atoms. Hence it is classified as a pure substance.
Detailed explanation-2: -Aluminum is an element and consists of a single kind of particle. It is homogenous and has a uniform composition. They cannot be further broken down into a new substance by physical or chemical methods. Hence, aluminum is a pure substance.
Detailed explanation-3: -Hydrogen gas. Gold metal. Sugar (sucrose) Baking soda (sodium bicarbonate) Ammonia. Diamond. Copper wire. Silicon chip. More items •30-Aug-2018
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