Chemistry An element of atomic no. 29 belongs to D-block F-block P-block S-block D-block F-block P-block S-block ANSWER DOWNLOAD EXAMIANS APP
Chemistry The wire of flash bulb is made of: Silver Copper Barium Magnesium Silver Copper Barium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to make light weight, but strong plastic ? Methyl Methacrylate Nylon Polyvinyl Chloride Polythene Methyl Methacrylate Nylon Polyvinyl Chloride Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Petroleum Firewood Coal Natural Gas Petroleum Firewood Coal Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by None of these Oxides of nitrogen and sulphur Oxides of carbon and nitrogen Oxides of nitrogen and phosphorous None of these Oxides of nitrogen and sulphur Oxides of carbon and nitrogen Oxides of nitrogen and phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Chromium Copper Lead Cadmium Chromium Copper Lead Cadmium ANSWER DOWNLOAD EXAMIANS APP
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