Question

WRITE A DIARY ENTRY ABOUT WHAT U FEEL LEARNING ONLINE,MISSING ALL THE FUN YOU HAD IN SCHOOL ,THE PRESENT SYSTEM OF EDUCATION PROVIDES YOU.

Answer 1

Explanation:

ANSWER

when a compound dissolves in water, it dissociates to form ions. The reaction between anhydrous copper(II) sulfate and water is used as a test for water. The white solid turns blue in the presence of water. The backward reaction is exothermic - energy is transferred to the surroundings when it happens.

CuSO

4

+H

2

O→Cu

2+

+SO

4

2−

Answer 2

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