The process of associating numbers with physical quantities and phenomena is known as measurement. The

NCERT Solutions for Class 9 Science Chapter 1: Matter in Our Surroundings: ‘Matter in our

Fundamental Concepts in Organic Reaction Mechanism: In an organic reaction, the substrate is the organic

Colour of Salts and Their Solutions: In chemistry, salt is defined as a chemical compound

Dispersion System: Solutions are of two types, namely, homogeneous solutions and heterogeneous solutions. Suppose the

Environmental Laws for Controlling Pollution: The Indian Government enacted the Environment Protection Act, 1986, in

Body fluids are the body's mode of transportation. These fluids might be intracellular or extracellular.

Sensory Reception and Processing: Have you tried to see or locate things in the dark?

Introduction to Natural Resources: Do you know why we call our planet Mother Earth? Earth

The total space occupied by a hemisphere in a 3-dimensional region is called its volume.