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Chemistry

Chemistry

HYDROGEN

Post Views: 28 Occurrence Hydrogen does not occur free in nature. It occurs as Water and in Petroleum. School laboratory Preparation Procedure Put Zinc granules in a round/flat/conical flask. Add… Read More »HYDROGEN

Chemistry

WATER

Post Views: 43 WATER Pure water is a colourless, odourless, tasteless, neutral liquid. Pure water does not exist in nature but naturally in varying degree of purity. The main sources… Read More »WATER