Question

In which of the following processes, a new substance is formed? *

Melting
Sublimation
Evaporation
Rusting​

Answer 1

Answer:

Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.

Melting

Answer 2

Answer:

rusting

Explanation:

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