ChemistryCLASS 10ICSE
answered 27 Mar 2026Define a combination reaction. (b) Give one example of a combination reaction which is also exothermic. Give one example of a combination reaction which is also endothermic.
A.VERIFIED ANSWERfact-checked by tutors
- Combination reactions are those reactions in which two or more substances combine to form a single substance or product or two reactants combine to form one product
- C (s) + O2 (g) →CO2 + Heat (Burning of carbon in presence of oxygen to produce carbon dioxide)
- N2 (g) + O2 (g) + Heat → 2NO (g)