In which year was the All India Kisan Sabha, a peasant

Copper is extracted from which ore?

The slow corrosion of iron in the presence of moist air is known as:

Milk tastes sour when kept in the open for sometimes due to the formation of-

Hydrogen was discovered by?

Which sodium compound is the most popular additive in sauces, salad dressings, and beverages for its preservative action?

Formation of Sodium Chloride is an example of

What is the common name of the compound with the formula C6H5NH2?

The Kerosene is a mixture of _______.

Calcium cyanamide, used as a fertilizer, is commercially known as ______.

What are proteins chemically composed of?