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Q.

LIST - 1 LIST - 2
A) Phosphorite I) KNO₃
B) Indian salt petre II) Ba(NO₃)₂
C) Fluoroapatite III) NaNO₃
D) Chile salt petre IV) 3Ca₃(PO₄)₂.CaF₂
V) Ca₃(PO₄)₂
(A) (B) (C) (D)
1) I II III V
2) II IV III I
3) IV III V II
4) V I IV III

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a

2

b

1

c

3

d

4

answer is D.

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Detailed Solution

sodium nitrate, NaNO₃ (called Chile saltpetre)
and potassium nitrate (Indian salt petre). It is found in the form of proteins in plants and animals.
fluorapatite Ca₉ (PO₄)₆ . CaF₂ )
Phosphorite Ca₃ (PO₄ )₂ .

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LIST - 1 LIST - 2A)PhosphoriteI)KNO3B)Indian salt petreII)Ba(NO3)2C)FluoroapatiteIII)NaNO3D)Chile salt petreIV)3Ca3(PO4)2.CaF2 V)Ca3(PO4)2 (A)(B)(C)(D)1)IIIIIIV2)IIIVIIII3)IVIIIVII4)VIIVIII