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p -Block elements - ll — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistryp -Block elements - ll1 Mark
MCQ
Match List $-I$ with List $-II$ and select the correct answer using the codes given below the lists
  List $-I$ (Compounds)   List $-II$ (used in)
$(A)$ $BaSO_4 +ZnS$ $(1)$ Explosive
$(B)$ $NI_3$ $(2)$ Oxidiser in rocket propellants
$(C)$ $N_2O_4$ $(3)$ Space capsule
$(D)$ $KO_2$ $(4)$ Pigment
  • A
    $(A)-3, (B)-1, (C)-4, (D)-2$
  • ✓
    $(A)-4, (B)-1, (C)-2, (D)-3$
  • C
    $(A)-3, (B)-4, (C)-1, (D)-2$
  • D
    $(A)-4, (B)-3, (C)-2, (D)-1$
✓

Answer

Correct option: B.
$(A)-4, (B)-1, (C)-2, (D)-3$
b
$BaSO _4+ ZnS$ this show pigment type of reaction

$NI _3$ show the explosive type of reaction

$N _2 O _4$ show oxidiser in rocket propellsnts

$KO _2$ is show in Space capsule

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