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प्रश्न
Write a chemical equation to illustrate the use of aluminium for joining cracked railway lines.
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उत्तर
Aluminium is more reactive than iron and can be used for reducing iron oxide to iron. The equation for the same is:
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संबंधित प्रश्न
What would you observe when zinc is added to a solution of iron (II) sulphate? Write the chemical reaction that takes place.
Explain the following reaction with the help of a balanced chemical equation:
Magnesium reacts with hot water.
From amongst the metals sodium, calcium aluminium, copper and magnesium, name the metal:
(i) which reacts with water only on boiling, and
(ii) another which does not react even with steam.
Which of the two metals is more reactive: copper or silver?
Complete and balance the following equation:
Cu (NO3)2 (aq) + Zn(s) →
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(a) S
(b) Ca
(c) C
(d) Ag
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(i) Good thermal conductivity
(ii) Good electrical conductivity
(iii) Ductility
(iv) High melting point
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Find the odd one out:
