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P Block Elements question

2020 · 8 Jan · Shift 2 · Q19
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P Block Elements question

2020 · 8 Jan · Shift 2 · Q19

JEE MainChemistryP Block ElementsMCQ+4 / −1
A metal (A) on heating in nitrogen gas gives compound B. B on treatment with H2OH_2OH2​O gives a colourless gas which when passed through CuSO4CuSO_4CuSO4​ solution gives a dark blue-violet coloured solution. A and B respectively, are :
  1. A
    NaNaNa and NaNO3NaNO_3NaNO3​
  2. B
    NaNaNa and Na3NNa_3NNa3​N
  3. C
    MgMgMg and Mg3N2Mg_3N_2Mg3​N2​
  4. D
    MgMgMg and Mg(NO3)2Mg(NO_3)_2Mg(NO3​)2​
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