Which of the following material are categorized as pure substances?
1) Mercury. 2)Milk 3)Calcium oxide. 4)Ink
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5
i think the answer is mercury is a pure substance
MEHAK1572:
Ya... and calcium oxide is also a pure substance
Answered by
2
it will be milk because it is pure
the obvious answer is mercury as milk contains small particles, CaO is composed of two elements
but CaO do gets separated as Ca and O on chemical reactions..... ND we know that The elements and compounds are considered as the pure form of matter which have their properties and that is different from constituent elements.
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