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
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Sodium is a very reactive metal. ( )
Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.
(a) How will she find the nature of the gas?
(b) Write down word equations of all the reactions taking place in this process.
State one use of Copper.
What is an alloy? Give two examples of alloys.
How are the properties of an alloy different from those of the constitutent elements?
Give two uses of Germanium
Write ‘True’ or ‘False’ in front of following statement.
Brass is an alloy of copper and zinc and has lustrous yellow colour.
Give the general characteristics of:
Alkaline earth metals with reference to
(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
Write name.
Molecular formula of the common ore of aluminium.
What was Mendeleev's basis for the classification of elements?
With reference to the following metals state their use in daily life metal:
Lead
Name the following:
A halogen which is a solid at room temperature.
Which one of the following is an example for a metal?
Compare the properties of metals and nonmetals. Give three examples for each.
What is ductility?
The electronic configurations of three elements X, Y and Z are X – 2, 8; Y – 2, 8, 7 and Z – 2, 8, 2. Which of the following is correct?
An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.
A doctor prescribed a tablet to a patient suffering from iron deficiency. The tablet does not look like iron. Explain.
All gases are ______.
Which metals are not solid at room temperature?
