Join NOW to get access to exclusive study material for best results
This video explains the position of hydrogen in the periodic table and isot
This video explains the occurrence, preparation, properties, uses of dihydr
This video contains practice questions on hydrogen and hydrides.
This video explains about presence of water on earth and its physical prope
This video explains about various chemical propertries of water by using ch
This video gives a brief idea about hardness of water and definition of Har
