Chemistry Which type of fire extinguisher is used for petroleum fire ? None of these Powder type Foam type Soda acid type None of these Powder type Foam type Soda acid type ANSWER DOWNLOAD EXAMIANS APP
Chemistry Denatured spirit is ethanol mixed with Water Petrol Pyridine Kerosene Water Petrol Pyridine Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 20 and 50 km 50 and 100 km 10 and 20 km 5 and 10 km 20 and 50 km 50 and 100 km 10 and 20 km 5 and 10 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable unit for expressing nuclear radius is : Angstrom Nanometre Fermi Micron Angstrom Nanometre Fermi Micron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Nitrogen Air Hydrogen Helium Nitrogen Air Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? Dust particles NO2 Photochemical smog SO2 Dust particles NO2 Photochemical smog SO2 ANSWER DOWNLOAD EXAMIANS APP
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