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NCERT EXEMPLAR-D AND F-BLOCK ELEMENTS-D And F-Block Elements
- Match the catalyst given in Column I with the processes given in Colum...
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- Match the compounds/elements given in Column I with uses given in Colu...
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- Match the properties given in Column I with the metals given in Column...
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- Match the statements given in Column I with the oxidation states given...
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- Match the solutions given in Column I and the colours given in Column ...
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- Match the property given in Column I with the element given in Column ...
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- Match the properties given in Column I with the metals given in Column...
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- Assertion (A) Cu^(2+) iodine is not known. Reason (R ) Cu^(2+) oxidi...
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- Assertion (A) Separation of Zr and Hf is difficult. Reason (R ) Bec...
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- Assertion (A) Actinoids form relatively less stable complexes as compa...
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- Assertion (A) Cu cannot liberate hydrogen from acids. Reason (R ) B...
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- Assertion (A) The highest oxidation state of osmium is +8. Reason (...
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- Identify A to E and also explain the reaction involved.
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- When a chromite ore (A) is fused with sodium carbonate in free excess ...
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- When an oxide of manganese (A) is fused with KOH in the presence of an...
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- On the basis of lanthanoid contraction, explain the following: (i)...
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- Answer the following questions (i) Which element of the first transi...
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- Mention the type of compounds formed when small atoms like H, C and N ...
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- (a) Transition metals can act as catalysts because these can change t...
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- A violet compound of manganese (A) decomposes on heating to liberate o...
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