Class 10

Class 10 Science: Important Chemical Reactions

This post includes the most important chemical reactions of Chemistry section which help you to excel in your exams. The reactions are mentioned chapterwise. Chemical Reactions and Equations 1. Pb(NO3)2 + 2 KI → PbI2 + 2KNO3 PbI2 is yellow precipitate formed. This reaction is double displacement reaction or precipitation reaction. 2. CaO + H2O […]

Class 10 Science: Important Chemical Reactions Read More »

Carbon and its Compound: Short Notes

Here you will find the short notes of carbon and its compound. Carbon is an important constituent of the foods, fuels, household and commercial articles, textile fabrics, perfumes, explosives, dyes, war gases etc. The Earth’s crust has only 0.02% carbon in the form of minerals (like petroleum, coal, carbonates and hydrogen carbonates) and the atmosphere

Carbon and its Compound: Short Notes Read More »

Chemical Reactions and Equations: 64 Ques and Ans

Chemical Reactions and Equations question answer are provided in this post including NCERT questions also. Why should a magnesium ribbon be cleaned before burning in air ? Answer: Magnesium gets covered with a layer of magnesium oxide when kept in air for a long time. This layer hinders the burning of magnesium. Hence, it is

Chemical Reactions and Equations: 64 Ques and Ans Read More »

Chemical Reaction and Equation: Short Notes

The short notes for the chapter Chemical Reaction and Equation are as follows: The representation of chemical reaction by means of symbols of substances in the form of formulae is called chemical equation.For example N2 + 3H2 ⇌ 2NH3 A balanced chemical equation has equal number of atom of each element participating in the reaction on both

Chemical Reaction and Equation: Short Notes Read More »

error: Content is protected !!