Periodic Classification of Elements — Science STD 10 — Question

Hygroscopic substances do not change their physical state on exposure to air.

The atomicity of nitrogen, oxygen and hydrogen is two.

Modem Agricultural practices are activities carried out to improve the plants.

Water is an example of Hetero triatomic molecule.

The resistance of a body to change its state of motion is known as inertia of motion.

The long form of periodic table consists of horizontal rows called groups and vertical columns called periods.

Removal of carbon dioxide is known as dehydrogenation.

A breed is a group of animals of common origin within a species, which has certain characters, that are not found in other members of the same species.

In Type – 2 Non – Insulin Dependent Diabetes Mellitus, the target cells respond to insulin and allow the movement of glucose into cells.

In refraction incident ray, refracted ray and normal lie in the same plane.