CBSE Class Notes Online – Classnotes123
CBSE Class Notes and Question Answers Online – Classnotes123
Corrosion Corrosion is the type of Oxidation reaction in everyday life in which the open surface of the metals are slowly eaten away by the reaction of air, water and …
Read MoreQuestion 1 one of the following does not happen during a chemical reaction. This is Breaking of old chemical bonds and formation of new chemical bonds Formation of new substances …
Read More
We apply Paint on Iron articles to prevent it from corrosion. Corrosion is a type of Oxidation reaction in everyday life due to which open surfaces of the metals like …
Read MoreWhat is Decomposition Reaction and Combination Reaction? In a decomposition reaction, a single reactant breaks down to form two or more products. On the other hand in combination reactions two …
Read More
The reaction which is accompanied by the formation of an insoluble solid mass which is also called as precipitate is known as precipitation reaction. For example When Barium Chloride solution …
Read More
Exothermic reactions Exothermic reactions are the type of reaction in which heat is evolved or the reaction in which heat is released along with the formation of products are called …
Read More
The process of making the numbers of different types of atoms equal on both sides of an equation is called balancing of equations. When the Numbers of atoms of different …
Read More
Magnesium ribbon be cleaned before burning in air for the following reason The magnesium ribbon which we usually use has a coating of magnesium oxide. Magnesium ribbon reacts with oxygen …
Read More