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प्रश्न
Name the metal which has been placed at the top of the reactivity series.
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उत्तर
Potassium is the metal that has been placed at the top of the reactivity series.
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संबंधित प्रश्न
Metal A has electronic configuration (2, 8, 1) and metal B has (2, 8, 8, 2). Which is more reactive? Why? Identify these metals.
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The reaction of an iron nail with copper sulphate solution is ........... reaction.
(a) Combination
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(c) Double displacement
(d) Decomposition
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Complete and balance the following equation:
Na + O2 →
Complete and balance the following equation:
Na2O + H2O →
Fill in the following blank with suitable word:
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Name the products formed. Also indicate the physical states of all the substances involved.
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(a) an acidic oxide
(b) a basic oxide
(c) an amphoteric oxide
(d) a neutral oxide
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(a) S
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(c) C
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(a) Zn
(b) Ag
(c) Cu
(d) Mg
CuSO4(aq) + Fe(s) → FeSO4(aq) + Cu(s)
FeSO4(aq) + Zn(s) → ZnSO4(aq) + Fe(s)
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Why is acidified water considered to be a good conductor of electricity?
