Advertisements
Advertisements
प्रश्न
State two important uses of following metal:
Uses of aluminium
State two uses of aluminium.
Name two uses of aluminium.
Describe uses of aluminium.
Mention important uses of aluminium.
Advertisements
उत्तर १
- Aluminium foils are used for packing food stuff, medicines etc.
- It is used for making high voltage electric transmission wires.
- It is used for making pots, pans and parts of automobiles.
उत्तर २
- Electrical transmission cables are made of aluminium.
- Thermite welding and the Goldschmidt aluminothermic method both use aluminium powder as a reducing agent.
- It is used in making household utensils and novelty articles.
- Aluminium foil is used for wrapping soaps, cigarettes, confectionary, etc.
- It is used to create silvery paints to cover iron and other surfaces.
- It serves as a deoxidiser for eliminating blow holes in metallurgy.
- Aluminium’s low density, good thermal and electrical conductivity, and resistance to corrosion make it a popular material in the automotive and aircraft industries.
Notes
Students can refer to the answers according to their question.
APPEARS IN
संबंधित प्रश्न
Write the name and formulae of a metal hydride.
Fill in the following blanks with suitable words:
A metal having low melting point is ..................... but a non-metal having very high melting point is ..............
Fill in the following blank with suitable word:
The alloy in which one of the metals is mercury is called an ...............
Name one ore of manganese. Which compound of manganese is present in this ore? Also write its chemical formula.
What is an alloy? Give two examples of alloys.
Give reasons
Magnesium is used in fire works.
State two important uses of following metal
Uses of tin
State the position of the following in the periodic table:
Iron and zinc
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Hydrochloric acid,
Write name.
The oxide that forms salt and water by reacting with both acid and base.
Write name.
The nonmetal having electrical conductivity.
State the position of the following in the periodic table:
Halogens
What is it made from? Why?
A pair of tongs.
Give a reason why iron objects rust easily but the iron pillar at Qutab Minar has not rusted over the years.
Name the following:
A halogen which is a solid at room temperature.
Which one of the following four metals would be displaced from the solution of its salts by other three metals?
In the following figure, you find that the bulb glows when an iron nail is placed between two ends of wire. Complete the following sentences on the basis of this fact.

- ______ is a metal.
- Metals are good ______ of electricity.
Metals and non–metals are used for making ______, ______ and ______.
Metals have high melting points.
