General Science
Potassium Permanganate is used for purifying drinking water, because

It is a reducing agent
It is a sterilising agent.
None of the listed here
It is an oxidising agent.

ANSWER DOWNLOAD EXAMIANS APP

General Science
Amalgams are

Highly coloured alloys
Alloys which contain carbon
Alloys which have great resistance to abrasion
Alloys which contain mercury as one of the contents

ANSWER DOWNLOAD EXAMIANS APP