Name - Critical elements hence commonly used as fertilizer in India.

Critical elements are ......

Commonly used antacid is

Commonly used food preservative is

Name two commonly used oxidizing agent

Essential elements provided to crops by fertilizers

Name the principal element in the solar system.

The most commonly used reducing agent is?

Name the radioactive element used by Ruben.

Which is the most commonly used sugar.

Role of Microbes as Biofertilizers : Name the aquatic fern commonly used in paddy field as a biofertilizer.