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4. d and f- block elements — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry4. d and f- block elements1 Mark
MCQ
Identify the correct option
  • A
    $V_2O_5$ reacts with alkalies as well as acids
  • B
    In Misch metal $S, C, Ca$ and $Al$ present in traces amount with $Ce$
  • C
    $2C{u^ + }\xrightarrow{{aq.}}C{u^ + }^2 + Cu$
  • ✓
    All of the above are correct
✓

Answer

Correct option: D.
All of the above are correct
d

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