Chemistry

The sugar, after melting, turns black from brown. That is called caramel.

The elements of group-17 in periodic table F, Cl, Br, I, and At these five elements together are called halogen.

The substance which indicates the presence of acid or base by changing its color is called an indicator.

100% pure CH3COOH is called glacial acetic acid.

Any nutritious substance that people or animals eat or drink or that plants absorb in order to maintain life and growth. At its most fundamental level, food is any substance consumed to provide nutritional support for an organism. It is the biological “fuel” that keeps the engine of life running. Whether it’s a simple carbohydrate … Read more

A pair of electrons occupying an orbital in an atom or molecule and not directly involved in bonding.

The rate of reaction is the speed at which reactants are converted into products.

The metals, which are used to produce coins from the ancient age and were used as means of trade and commerce are called coin metals.