Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Light metals Halogens Heavy metals Noble gases Light metals Halogens Heavy metals Noble gases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major gaseous pollutant of the thermal power station is NO2 NH3 SO2 H2 S NO2 NH3 SO2 H2 S ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Methane Nitrogen All of these Ethane Methane Nitrogen All of these Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Nitrous oxide Carbon monoxide Carbon dioxide Sulphur dioxide Nitrous oxide Carbon monoxide Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Kerosene Lime Petrol Oxalic acid solution Kerosene Lime Petrol Oxalic acid solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Sulphur Silicon Phosphorous Magnesium Sulphur Silicon Phosphorous Magnesium ANSWER DOWNLOAD EXAMIANS APP
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