Chemistry The chemical that is used to ripen mangoes is Calcium carbide Calcium sulphide Calcium carbonate Calcium chloride Calcium carbide Calcium sulphide Calcium carbonate Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is made of Tin and lead Copper and tin Copper, tin and zinc Copper and zinc Tin and lead Copper and tin Copper, tin and zinc Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Polyclinic hydrocarbons Carbon monoxide Lead Oxides of nitrogen Polyclinic hydrocarbons Carbon monoxide Lead Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Carbon dioxide Nitrogen Argon Oxygen Carbon dioxide Nitrogen Argon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by NO2 Chlorogluorocarbons NO SO2 NO2 Chlorogluorocarbons NO SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 5 –3 to + 4 –3 to + 6 –3 to + 3 –3 to + 5 –3 to + 4 –3 to + 6 –3 to + 3 ANSWER DOWNLOAD EXAMIANS APP
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