Which of the following is a group of pure substances only?
a)Sodium chloride,sulphuric acid,water
b)Water,coal,milk
c)biogas,air,water
d)Calcium oxide,bronze,silver
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pure substances are..
Calcium oxide bronze and silver
Calcium oxide bronze and silver
KuKu124:
bronze is an alloy of copper nd tin and an alloy is homogeneous mixture.then how it can be a pure substance?
please clear my doubt m so confused
Answered by
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hey Mate
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d) Calcium oxide,bronze,silver
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d) Calcium oxide,bronze,silver
i have a doubt. Bronze is an alloy of Copper nd tin and an alloy is a homogeneous mixture. then how it can be a pure substance?
please clear my doubt
hii
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