1
IIT-JEE 1997
Subjective
+3
-0
Element A burns in nitrogen to give an ionic compound B. Compound B reacts with water to give C and D. A solution of C becomes 'milky' on bubbling carbon dioxide. Identify A, B, C and D.
2
IIT-JEE 1997
Subjective
+1
-0
Arrange the following sulphates of Alkaline earth metals in order of decreasing thermal stability : BeSO4, MgSO4, CaSO4, SrSO4
3
IIT-JEE 1996
Subjective
+2
-0
Explain the difference in the nature of bonding in LiF and LiI.
4
IIT-JEE 1994
Subjective
+1
-0
Complete and balance the following reactions:
Ca5(PO4)3F + H2SO4 + H2O $$\buildrel {Heat} \over \longrightarrow $$ ........ + 5CaSO4.2H2O + ........
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