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Subject :NSO    Class : Class 6

Which of the following statements is false?

AIn a compound, elements are always present in a variable ratio
BElements and compounds are pure substance
CMetalloids show properties of metals as well as non metals
DThe constituents of a mixture do not combine chemically with each other

To me compounds is not pure substance

Ans 1:

Class : Class 6
Option A.

Ans 2:

Class : Class 6

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