Chemistry Mercury is emitted into air by Steam engine Burning garbage Burning coal Coal fire Steam engine Burning garbage Burning coal Coal fire ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Nitre, sulphur and charcoal TNT and charcoal Sand and TNT Sulphur, sand and charcoal Nitre, sulphur and charcoal TNT and charcoal Sand and TNT Sulphur, sand and charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Hypo' commonly used in photography is Sodium thiosulphate Silver iodide Sodium nitrate Silver nitrate Sodium thiosulphate Silver iodide Sodium nitrate Silver nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is extracted from Cinnabar Bauxite Haematite Dolomite Cinnabar Bauxite Haematite Dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Taj Mahal is greatly affected due to : Tourists Sound pollution Acid rain Deforestation Tourists Sound pollution Acid rain Deforestation ANSWER DOWNLOAD EXAMIANS APP
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