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प्रश्न
Complete and balance the following equation:
Cu (NO3)2 (aq) + Zn(s) →
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उत्तर
Cu(NO3)2(aq) + Zn(s) → Zn(NO3)2(aq) + Cu(s)
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संबंधित प्रश्न
A solution of CuSO4 in water is .................... in colour.
(a) Pink
(b) Blue
(c) Colourless
(d) Green
Give reason for the following:
Blue colour of copper sulphate solution is destroyed when iron filings are added to it.
Fill in the following blank with suitable word:
Calcium is a ................. reactive metal than sodium.
Which of the following elements would yield a neutral oxide?
Na, S, C, K, H
Describe the reaction of potassium with water. Write the equation of the reaction involved.
Name two metals (other than zinc and iron) which can displace hydrogen from dilute hydrochloric acid?
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Write the equation for the reaction of Iron with dilute hydrochloric acid.
Name the products formed. Also indicate the physical states of all the substances involved.
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Name one metal which displaces copper from copper sulphate solution and one which does not.
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(a) Na
(b) C
(c) Ca
(d) H
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(a) aluminium
(b) copper
(c) tin
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(a) Fe2O3
(b) Al2O3
(c) P2O5
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CuSO4(aq) + Fe(s) → FeSO4(aq) + Cu(s)
FeSO4(aq) + Zn(s) → ZnSO4(aq) + Fe(s)
On the basis of the above reactions, indicate which is most reactive and which is least reactive metal out of zinc, copper and iron.
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An alkali metal A gives a compound B (molecular mass = 40) on reacting with water. The compound B gives a soluble compound C on treatment with aluminium oxide. Identify A, B and C and give the reaction involved.
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