Embibe Experts Solutions for Chapter: Metals and Non-Metals, Exercise 1: Jharkhand Board-2019

Write the name of the main ore of mercury metal.

What are amphoteric oxides? 

In the given figure, the purification of copper in electric decomposition is shown. Label against $\left[1\right],\left[2\right],\left[3\right],\left[4\right]$ and $\left[5\right]$. 

What are amphoteric oxides? Give an example.

Name a non-metal which exists in the liquid state. 

Why is sodium kept immersed in kerosene oil? 

Show the formation of $\mathrm{MgO}$ by the transfer of electrons. 

Compound $\mathrm{X}$ and aluminium are used to join railway tracks.

(i) Identify the compound $\mathrm{X}$.

(ii) Name the reaction. 

(iii) Write down its chemical equation.