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 Water gas is the combination of CO and H2O CO2and H2 CO and H2 CO2 and CO CO and H2O CO2and H2 CO and H2 CO2 and CO 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
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Borax Sodium chloride Hydrogen peroxide Saltpetre Borax Sodium chloride Hydrogen peroxide Saltpetre ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Silicon and Germanium Carbon and Platinum Tungsten and Platinum Iridium and Germanium Silicon and Germanium Carbon and Platinum Tungsten and Platinum Iridium and Germanium ANSWER DOWNLOAD EXAMIANS APP
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