MEDIUM
Earn 100

Select the compounds that are used for the preparation of alum:
(a)Aluminium sulphate and magnesium sulphate
(b)Sodium sulphate and potassium sulphate
(c)Aluminium sulphate and potassium sulphate
(d)None of them.

50% studentsanswered this correctly
Important Questions on Some p-Block Elements



EASY


EASY


EASY

EASY

EASY

EASY

EASY


EASY

EASY
Give one word for the following:
Chemical added to water during its purification to load the lighter particles.

MEDIUM

