Answer :

(a)Reaction in which two or more substances combine to form a single substance are called combination reaction.

(b) C (s) + O2 (g) CO2 + Heat

Reaction is exothermic as heat is given from the reaction.

(c) N2 (g) + O2 (g) + Heat 2NO (g)

Reaction is endothermic as heat is given to the reaction.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :
A metal X forms a waLakhmir Singh & Manjit Kaur - Chemistry