IIT-JEE 2006 | s-Block Elements Question 5 | Chemistry

IIT-JEE 2006

MCQ (More than One Correct Answer)

-1.25

MgSO₄ on reaction with NH₄OH and Na₂HPO₄ forms a white crystalline precipitate. What is its formula?

Mg(NH₄)PO₄

Mg₃(PO₄)₂

MgCl₂.MgSO₄

MgSO₄

IIT-JEE 1998

MCQ (More than One Correct Answer)

-0.5

Highly pure dilute solution of sodium in liquid ammonia

shows blue color

exhibits electrical conductivity

produces sodium amide

produces hydrogen gas

IIT-JEE 1992

MCQ (More than One Correct Answer)

-0.25

The species that do not contain peroxide ions are

PbO₂

H₂O₂

SrO₂

BaO₂

IIT-JEE 1990

MCQ (More than One Correct Answer)

-0.25

When zeolite, which is hydrated sodium aluminium silicate is treated with hard water the sodium ions are exchanged with

H⁺ ions

Ca⁺⁺ ions

$$SO_4^{--}$$ ions

Mg⁺⁺ ions

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