Chemistry Which of the following is not a commercial source of energy? Petroleum Firewood Coal Natural Gas Petroleum Firewood Coal Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural resource, known as black gold is Coal Lead Platinum Tin Coal Lead Platinum Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Water gas Coal gas Natural gas Indane gas Water gas Coal gas Natural gas Indane gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? SO2 Dust particles Photochemical smog NO2 SO2 Dust particles Photochemical smog NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x x/6 7.2 x 5x/36 5x x/6 7.2 x 5x/36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Coal Natural Gas Petroleum Geothermal energy Coal Natural Gas Petroleum Geothermal energy ANSWER DOWNLOAD EXAMIANS APP
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