Chemistry
Mention two uses of the following metals and non-metals:
(a) Iron
(b) Aluminium
(c) Gold
(d) Oxygen
(e) Iodine
Metals & Non-Metals
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Answer
(a) Iron is used for:
- Construction of power transmission towers.
- Making pipes, tanks, cylinders, nails, agricultural tools, railings, wire meshes etc.
(b) Aluminium is used for:
- Making utensils, cans for drinks, furniture, window frames etc.
- Packaging foodstuffs and wrappers of medicines in the form of aluminium foil.
(c) Gold is used for:
- Making jewellery and gold coins.
- In dentistry to fill in teeth cavities(in form of alloy with silver).
(d) Oxygen is used for:
- Breathing and respiration, in hospitals oxygen cylinders are used for serious patients to help them in breathing.
- It is essential for combustion.
(e) Iodine is used for:
- Making photographic films in the form of potassium iodide.
- Making tincture of iodine and iodex which are used as an antiseptic and pain reliever respectively.
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Related Questions
Name a metal:
(a) that is the most malleable
(b) that is brittle
(c) as precious as gold
(d) that can be cut with knife
(e) used in making electric cables
(f) used as a thermometric liquid
(g) that is the best conductor of electricity
Name a non-metal that is:
(a) a good conductor of heat and electricity
(b) hardest naturally occurring substance
(c) used to kill germs in water
(d) lustrous
(e) used for filling into electric bulbs
(f) used for cancer therapy
(g) liquid at room temperature
Give reasons:
Magnesium is used in fireworks.
Give reasons:
Aluminium is used in making aircrafts.