Chemistry The manufacturing of iron from iron ore involves the process of Reduction Oxidation Fractional distillation Electrolysis Reduction Oxidation Fractional distillation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Zinc Detergent Phosphate Arsenic Zinc Detergent Phosphate Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is NO2 Lead SO2 Hg NO2 Lead SO2 Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 4 x 6.02 x 1023 gram 4.00 gram 1.00 gram 8.00 gram 4 x 6.02 x 1023 gram 4.00 gram 1.00 gram 8.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Choose the incorrect statement pertaining to organic compounds They have low melting and boiling points They are not easily combustible They do not dissolve in water They contain mainly carbon and hydrogen They have low melting and boiling points They are not easily combustible They do not dissolve in water They contain mainly carbon and hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 5 to 6 per cent 3 to 4 per cent 4 to 5 per cent 2 to 3 per cent 5 to 6 per cent 3 to 4 per cent 4 to 5 per cent 2 to 3 per cent ANSWER DOWNLOAD EXAMIANS APP
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