If a chemical equation has '+ heat' on its right hand side, it is definitely a

(a) endothermic reaction.
(b) exothermic reaction.
(c) combination reaction.
(d) neutralization reaction.

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Solution

(b) exothermic reaction
The '+ heat' on the right side of reaction shows that heat is released in the reaction. Hence, the reaction is exothermic.

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Similar questions

The above reaction is an example of a

(a) combination reaction.

(b) double displacement reaction.

(d) displacement reaction.

${F e}_{2} O_{3}$ + $2 A l$ $\to$ ${A l}_{2} O_{3}$ + $2 F e$

This reaction is an example of :

2 {KClO}_{3} (s) Heat \to 2 KCl (s) + 3 O_{2} (g)

In an experiment when heat is supplied to potassium chlorate (KClO₃) it gives potassium chloride (KCl) and oxygen. What type of reaction is this?

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