Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuSO4 CuCO3 Cu(OH)2 Cu(NO3)2 CuO CuSO4 CuCO3 Cu(OH)2 Cu(NO3)2 CuO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The deterioration of a metal by an electrochemical process is commonly termed as Corrosion Passivation Abrasion Erosion Corrosion Passivation Abrasion Erosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Ozone and carbon dioxide Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Ozone and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Non-stick kitchenwares are coated with Teflon PVC Graphite Silicon Teflon PVC Graphite Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Mesosphere Ionosphere Troposphere Stratosphere Mesosphere Ionosphere Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Rutherford Sommerfeld Thomson Hund Rutherford Sommerfeld Thomson Hund ANSWER DOWNLOAD EXAMIANS APP
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