Question

11. Write three uses of metals and three uses of non-metals.
Non-metals
Metals​

Answer 1

Answer:

Metal:

• Gold, Platinum and silver are used as jewelleries and ornaments.
• Iron and steel are used for construction purpose.
• Aluminium, steel are used as utensils.
• Mercury is used in thermometer and helps to check the temperature.
• Aluminium are used as insulation wires

Explanation:

Non metal:

• Oxygen is used for breathing.
• Chlorine is used for purifying water.
• Phosphorous is used in crackers.
• Non - metals like nitrogen is used in fertilizers.
• Graphite is used as a good conductor of electricity.
• Pottassium is used in fertilizers.
• Nitrogen is used by plants.

Answer 2

The three uses of metal and nonmetals are:

1. Metal: Most of the metals are used in the process of making jewellery like platinum, gold, and silver.

• It is also used in the process of construction of roads, metals like iron and steel.

• Mercury is used in the thermometer which helps to check the body temperature.  

 2. Non - metals: It's the most important key for living basically the oxygen which is inhaled by the living organisms.

• It is also used as an antiseptic.
• Some parts of nonmetals are used to make crackers.