Which statement best describes a physical change?

the answer is C.Changes can occur to certain physical properties of the substance,

Explanation:

a physical change occurs when the physique of a substances is changes while its composition remain unchanged. for example when the ice melts it is a physical change as the shape of the ice is changing but the properties of both ice and water are same.

answer: -

reaction:

na + cl ⇌ nacl

balanced chemical equation:

na + 2cl ⇌ nacl2

sodium + clorine goes to form sodium chloride (table salt).

the product is nacl2.

and the reactants are na and cl.

(note: if you don’t know what ⇌ means, read below: -

⇌(double head arrow) means reversible reaction).

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