Question

9. How will you indicate the following effects in a chemical equation ?
(@) A solution made in water
(b) Exothermic reaction
(c) Endothermic reaction

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Answer 1

Answer:

a)

A + H2O -----> C

(s) (l) (aq)

B)

A + B ----------> C + ∆

C)

A + B + ∆ ----------> C

Explanation:

(s) is the sign of solid substance

(l) is sign of liquid substance

(aq) is the sign of solid dissolved in water or aqua solution

the sign ∆ represents represents heat in any reaction

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