Chemistry A fertile soil is likely to have a pH of 14 3 43989 9 14 3 43989 9 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of H2SO4 H2S Fungicide SO2 H2SO4 H2S Fungicide SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of O 2 layer SO2 layer O3 layer CO2 layer O 2 layer SO2 layer O3 layer CO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Hydration and dissociation of water Dissociation of water Polymerisation Dehydration Hydration and dissociation of water Dissociation of water Polymerisation Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Ozone and Carbon dioxide Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was gold copper iron bronze gold copper iron bronze ANSWER DOWNLOAD EXAMIANS APP
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