1.

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

Answer»

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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