Subject Experts Solutions for Chapter: Metals and Non-Metals, Exercise 1: Target Exercise

Complete the chemical reaction.

$2\mathrm{Al}+6{\mathrm{H}}_2\mathrm{O}\to 2 \mathrm{\_\_\_} +3{\mathrm{H}}_2$.

Match the column I and column II

$\mathrm{PbO}+\mathrm{C}\stackrel{△}{\to }\stackrel{}{\mathrm{Pb}+\mathrm{CO}}$

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

In the above reactions

Metal reacts with chlorine to form

Copper corrodes in moist air containing ${\mathrm{CO}}_2$ and ${\mathrm{O}}_2$ and changes to

Silver articles turn black after a period of time due to the formation of 

A homogenous mixture of two or more metals is

In which test-tubes does the rusting occur