Embibe Experts Solutions for Chapter: Chemical Reactions and Equations, Exercise 1: Gujarat Board-2020

Write the chemical equation for industrial production of dihydrogen gas and write its two uses.

A solution of a substance "X" is used for whitewashing.

(a) Name the substance "X"

(b) Write the formula of substance "X"

(c) Write the reaction of substance "X" with water

Describe the reaction of zinc granules with dilute sulphuric acid with a diagram. Also, write the equation of zinc with sodium hydroxide.

Which gas is used as preservative in fruit juice and jams?

Which gas is used as preservatives in the juice of fruits, in jam, and drying of fruits?

$\mathrm{ZnO}+\mathrm{C} \stackrel{}{\to } \mathrm{Zn} + \mathrm{CO}$

In the above equation, reduction takes place in _____ substance.

Give reason: "Aluminium with nitric acid does not produce hydrogen gas".