What is the smallest and largest font size available in

Dry powder fire extinguishers contain

Which element is denoted by the atomic number 28?

Which substance is a colorless to faintyellow oily liquid with characteristics similar to tear gas?

Formula of ‘Quick Lime’ is __________

What process is used to create a protective oxide layer on aluminum?

The chemical name of the Vitamin B6 is 

The Kerosene is a mixture of _______.

What is the chemical formula of the mineral malachite?

The green colour of the leaves is due to-

Which of the following is the most reactive element in the Periodic table?