Chemistry Major gaseous pollutant of the thermal power station is H2 S SO2 NH3 NO2 H2 S SO2 NH3 NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium sulphide Hydrogenated wafers Hydrogen sulphide Aluminium phosphide Aluminium sulphide Hydrogenated wafers Hydrogen sulphide Aluminium phosphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Anaesthetic Gas Tear Gas Noble Gas Laughing Gas Anaesthetic Gas Tear Gas Noble Gas Laughing Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From brown to orange-red From blue to pink From pink to blue-green From brown to blue-black From brown to orange-red From blue to pink From pink to blue-green From brown to blue-black ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Percolating filter Trickling filter Contact bed Intermittent sand filter Percolating filter Trickling filter Contact bed Intermittent sand filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Oxides of nitrogen Polycyclic hydrocarbons Lead Carbon monoxide Oxides of nitrogen Polycyclic hydrocarbons Lead Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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