What you have learnt Credit for the discovery of electron and proton goes to J.J. Thomson and E.Goldstein, respectively. J.J.…
What you have learnt During a chemical reaction, the sum of the masses of the reactants and products remains unchanged.…
What we have learnt A mixture contains more than one substance (element and/or compound) mixed in any proportion. Mixtures can…
Matter is an important concept in Science, and it forms the basis for topics that are taught in later classes.…