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Compounds

Two substance...

Question

Two substances A and substance B when brought together forms a substance C with liberation of heat .the properties of C are entirely different from those of A and B. What is substance C ?
a) metal
B) element
C) compound
D) mixture

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Solution

When two substances are brought together and large amount of heat is evolved which shows that the new substance is stable than A and B because of which heat is produced.
The substance will be less reactive than A and B.
Hence the substance C is compound.

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