Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Nitrogen Hydrogen Neon Sodium Nitrogen Hydrogen Neon Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used for converting vegetable oils into saturated fats ? H2 SO2 O2 Cl2 H2 SO2 O2 Cl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Radioactive rays Chlorofluorocarbons Volcanic eruptions Aviation fuels Radioactive rays Chlorofluorocarbons Volcanic eruptions Aviation fuels ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas is : Bleaching powder Carbonyl chloride Chloroprene Nitrous oxide Bleaching powder Carbonyl chloride Chloroprene Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Magnetite Pyrolusite Siderite Galena Magnetite Pyrolusite Siderite Galena ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Nitrous oxide Chlorofluorocarbons Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbons Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP