Chemistry Cement is made hard with Polymerisation Dissociation of water Dehydration Hydration and dissociation of water Polymerisation Dissociation of water Dehydration Hydration and dissociation of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 1.00 gram 4.00 gram 8.00 gram 4 x 6.02 x 1023 gram 1.00 gram 4.00 gram 8.00 gram 4 x 6.02 x 1023 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Plaster of Paris' is made by partial dehydration of Blue vitriol Gypsum salt Epsom salt Green vitriol Blue vitriol Gypsum salt Epsom salt Green vitriol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Detergent Dilute acid Liquid soap Ordinary soap Detergent Dilute acid Liquid soap Ordinary soap ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Carbon dioxide gas Nitric oxide gas Nitrogen dioxide gas Sulphur dioxide gas Carbon dioxide gas Nitric oxide gas Nitrogen dioxide gas Sulphur dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Stratosphere Ionosphere Troposphere Exosphere Stratosphere Ionosphere Troposphere Exosphere ANSWER DOWNLOAD EXAMIANS APP