Welcome to the Science Quiz 81

Name an inert diatomic gas which is neither combustible nor helps in combustion? Learn and enjoy science learning with educational toys. The world revolves around Science; find out what you know. Quizzing is the best way to learn about the world we live in. Try quizzing at least 1 hour every time you meet your friends.Email them a quiz every now and then and when you chat with them next time, ask them a tricky question.