What is Chemistry? Chemistry is the study of matter and its properties. It is how and why substances combine or separate to form other substances and how the substances interact with energy. Chemistry is a subdiscipline of science that deals with the study of matter and the substances that constitute it. The Subject primarily focuses on ions, atoms, molecules which in turn … [Read more...] about Chemistry – Introduction, Branches, Concepts, Free Resources
How does Temperature Affect the Movement of Particles Effect of Temperature Change By increasing the temperature (by heating), a solid can be converted into the liquid state; and the liquid can be converted into a gaseous state (or vapour state). And by decreasing the temperature (by cooling), a gas can be converted into a liquid state; and a liquid can be converted into … [Read more...] about How does the Temperature Affect the Movement of Particles
How are soaps and detergents different? Table : Difference between soaps and detergentsSoaps Detergents1. They are sodium or potassium salts of fatty acids 1. They are sodium or potassium salts of sulphonic acids.2. They have –COONa group 2. They have –SO3Na group3. They do not work well with hard water, acidic water and saline water 3. They work … [Read more...] about How are soaps and detergents different?
Life Cycle of Silk Moth The female silk moth lays about 300 to 400 eggs at a time. The eggs hatch and the caterpillars or silkworms emerge. This is called the larval stage. The silkworm feeds on mulberry leaves. The silkworm secretes fine filaments from two glands on its head. The filaments are made of a protein that hardens to form silk fibres when exposed to air. The … [Read more...] about Explain The Life Cycle Of Silk Moth
What are the Different Types of Fuels and Their CharacteristicsFuels Most of the substances used for burning are fuels. Substances that produce heat and light energy on burning are called fuels. Some commonly used fuels are wood, coal, cow dung cakes, kerosene, LPG, petrol, and diesel. We use fuels for cooking, heating, in automobiles, and for the generation of … [Read more...] about What are the Different Types of Fuels and Their Characteristics