Chemistry Asbestos is formed of : Copper, Zinc and Manganese Lead and Iron Calcium and Magnesium Calcium and Zinc Copper, Zinc and Manganese Lead and Iron Calcium and Magnesium Calcium and Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Bleach Alum Deactivated nitrogen Activated carbon Bleach Alum Deactivated nitrogen Activated carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Carbon-14 Phosphorus-31 Tritium Radium Carbon-14 Phosphorus-31 Tritium Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of O3 and N2 O2 and N2 Oxides of N and S O2 and O3 O3 and N2 O2 and N2 Oxides of N and S O2 and O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Williamson's synthesis is widely used in the laboratory preparation of Ethers Esters Alcohols Aldehydes Ethers Esters Alcohols Aldehydes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Piped Natural Gas (PNG) is used for Cooking Anaesthesia Welding Mining Cooking Anaesthesia Welding Mining ANSWER DOWNLOAD EXAMIANS APP
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