वाक्यों का वर्गीकरण

Which of the following chemical substances has its formula incorrectly paired?

Who is known as father of Green Revolution in India?

Sylvine is a mineral ore of which element?

What type of sugar is maltose classified as?

Amalgam is a mixture of

Litmus paper, used to test pH levels, is derived from which organism?

Which element dominates the Earth's crust by percentage?

Lexan is a man-made polymer used for making

The term Fire Ice is used for ___?

How many periods are there in the Modern Periodic Table?