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प्रश्न
With reference to the following metals state their use in daily life metal:
iron
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उत्तर
Iron:
- Pig Iron is used in drain pipes as it is easily moulded into castings.
- Steel is used in Automobiles.
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संबंधित प्रश्न
Give reasons for the following.
Copper cannot displace zinc from its salt solution.
Which property of graphite is utilised in making electrodes?
State five uses of metals
The atomic number of an element Y is 16.
(a) What must an atom of Y do to achieve the nearest inert gas electron arrangement?
(b) Which inert gas is nearest to Y?
Mention two uses of the following metals and non-metals
Aluminium
Mention two uses of the following metals and non-metals
Iodine
Statements given below are incorrect. Write the correct statements :
Aluminium is best conductor of electricity.
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
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Sulphuric acid
Write name.
The oxide that forms salt and water by reacting with both acid and base.
Write name.
The nonmetal having electrical conductivity.
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
A white crystalline solid which decrepitates on heating leaving a residue which fuses with the glass and evolves two gases one of which is coloured and acidic.
Complete the following flow chart.
Can you store pickle in an aluminium utensil? Give reason.
A is a reddish-brown metal, which combines with O2 at < 1370 K gives B, a black coloured compound. At a temperature > 1370 K, A gives C which is red in colour. Find A, B, and C with reaction.
Which of the following property is generally not shown by metals?
Which of the following metals are obtained by electrolysis of their chlorides in molten state?
- Na
- Ca
- Fe
- Cu
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?
Why are bells made of metals?
Which metals are liquid at room temperature?
