Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 100 km 300 km 150 km 200 km 100 km 300 km 150 km 200 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Foam type Soda acid type Powder type None of these Foam type Soda acid type Powder type None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO3 SO2 NO2 N2O SO3 SO2 NO2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the petroleum wax ? Paraffin wax Carnauba wax Jojoba wax Bees wax Paraffin wax Carnauba wax Jojoba wax Bees wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Hydrolysis test Sodium Nitroprusside test Borax-Bead test Spectroscopy Hydrolysis test Sodium Nitroprusside test Borax-Bead test Spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, carbonate ore of Zinc is Zincblende Sphalerite Zincite Calamine Zincblende Sphalerite Zincite Calamine ANSWER DOWNLOAD EXAMIANS APP
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