Daily MCQs

What can be added to drinking water to make it absolutely safe?

Please select one of the options to reveal the correct answer.

Similar MCQs

When did Nirmalprabha Bordoloi win the Sahitya Academy Award? In which year, the first Commonwealth Games was held? Which is the first Stadium of Assam? What is the Full Form of MB? The Assam Land and Revenue Service Rules was published in which of the following year?