General Science - General Knowledge Questions and Answers

Home / General Knowledge / General Science :: Elements and Metals

Which of the following metals remain in liquid for under normal conditions?

Radium

Zinc

Uranium

Mercury

Potassium Permanganate is used for purifying drinking water, because

it is a sterilising agent

it dissolves the impurities of water

it is a reducing agent

it is an oxidising agent

Which of the following is an element?

Ruby

Sapphire

Emerald

Diamond

Java Programming Questions and Answers Interview Questions and Answers