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प्रश्न
State two important uses of following metals:
Uses of iron
Write important uses of iron.
Give the uses of iron.
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उत्तर १
- It is used in the construction of buildings.
- It is used in the construction of automobiles, railway bridges and many kinds of machines.
उत्तर २
- Uses of cast iron: It is the most significant type of iron and is widely used to make toys, gutter pipes, railway sleepers, stoves, and other items. Also, it is used in the manufacture of steel and wrought iron.
- Uses of wrought iron: It is used in making wires, bolts, anchors, chains, agricultural implements, etc.
- Uses of steel: Steel is used for many things. To create various alloy steels with a range of uses, it is alloyed with many other metals.
Notes
Students should refer to the answer according to their questions.
संबंधित प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
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(b) Write down word equations of all the reactions taking place in this process.
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Mention two uses of the following metals and non-metals
Iodine
Fill in the blank
_______ is a soft metal.
A metal which is neither ductile nor malleable is
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Aluminium is best conductor of electricity.
Statements given below are incorrect. Write the correct statements :
Zinc is used for making power transmission wires.
State two important uses of following metal:
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State two important uses of following metal.
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State two important uses of following metal
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(i) bonding
(ii) action of air
(iii) action of water
(iv) action of acid
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What was Mendeleev's basis for the classification of elements?
What is it made from? Why?
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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.
An amorphous substance which turns from pale green to black on strong heating evolving a colourless, acidic gas as the only gaseous product.
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The liquid metal at room temperature ______.
Sodium is a hard metal.
Which metal has the highest ductility?
Which metals are not solid at room temperature?
Which metals are liquid at room temperature?
