Tag: Chemistry Class 11th English

Hydrogen – Revision Notes

 CBSE Class 11 Chemistry Quick Revision NotesChapter 9Hydrogen Hydrogen-occurrence, Isotopes, Preparation, Properties and uses Hydrides-ionic covalent and interstitial Physical and Chemical Properties of water Hydrogen peroxide Hydrogen as a fuel Occurrence: It is the most abundant element in the universe. It is…Read More »

Hydrogen – Solutions

 CBSE Class 11 Chemistry NCERT SolutionsChapter 9Hydrogen 1. Justify the position of hydrogen in the periodic table on the basis of its electronic configuration. Ans. Hydrogen is the first element of the periodic table. Its electronic configuration is []. Due to the presence…Read More »