Embibe Experts Solutions for Chapter: Chemical Reactions and Equations, Exercise 1: Nagaland Board-2018

What is a catalyst?

State any two conditions required for combustion.

Define exothermic reactions. Give any two examples.

${\mathrm{Fe}}_2{\mathrm{O}}_3+2\mathrm{Al}\to {\mathrm{Al}}_2{\mathrm{O}}_3+2\mathrm{Fe}$

The above reaction is an example of

Translate the following statement into chemical equation and balance it:
Hydrogen gas combines with nitrogen to form ammonia.

Translate the following statement into a chemical equation and balance it:
Zinc reacts with sulphuric acid to give zinc sulphate and hydrogen gas.

What is a neutralisation reaction? Give one example. And write the chemical reaction taking place.

The unit for the rate of reaction is