Chemistry Threshold limit value of copper in the atmospheric air is 5.0 mg/m3 0.001 mg/m3 1.0 mg/m3 0.01 mg/m3 5.0 mg/m3 0.001 mg/m3 1.0 mg/m3 0.01 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by a man was Silver Brass Copper Bronze Silver Brass Copper Bronze ANSWER DOWNLOAD EXAMIANS APP
Chemistry The aqueous solution of potassium chloride is A weak electrolyte A strong electrolyte A non-electrolyte Initially weak and then become a strong electrolyte A weak electrolyte A strong electrolyte A non-electrolyte Initially weak and then become a strong electrolyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry Entropy of Universe is always Decreasing Increasing Constant Zero Decreasing Increasing Constant Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the electroplating of gold, the electrolyte used is Gold chloride Potassium aurocyanide Gold sulphate Gold nitrate Gold chloride Potassium aurocyanide Gold sulphate Gold nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanization of rubber is carried out by adding Ozone Sulphur Carbon Phosphorus Ozone Sulphur Carbon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
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