How can metals be differentiated from non-metals on the basis of any three chemical properties?

Give two examples each of metals that are good conductors and poor conductors of heat,respectively.

What is the main component of natural gas?

Give reasons for the following:
$(a)$ We can store copper sulphate solution in a silver vessel but not silver nitrate solution in a copper vessel.
$(b)$ The reaction of zinc with dilute nitric acid does not produce hydrogen gas.
$(c)$ Food cans are coated with tin rather than zinc.

$A$ metal $M$ forms an oxide having the formula $M_{2}O_{3}$. It dissolves in both dilute sulphuric acid and dilute sodium hydroxide solution. Identify the metal and write the chemical equations for the reactions involved.

Generally,non-metals are not conductors of electricity. Which of the following is a good conductor of electricity?