Chemistry The gas used for filling weather balloons is Nitrogen Helium Hydrogen Air Nitrogen Helium Hydrogen Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Sommerfeld Thomson Rutherford Hund Sommerfeld Thomson Rutherford Hund ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry powder fire extinguishers contain Sand and sodium bicarbonate Sand and sodium carbonate Sand Sand and potassium carbonate Sand and sodium bicarbonate Sand and sodium carbonate Sand Sand and potassium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Nitrogen Carbon Oxygen Hydrogen Nitrogen Carbon Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the major constituent of LPG? Propane Butane Ethane Methane Propane Butane Ethane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Deposit of animal waste Compressed and hardened biomass Coke Crude oil Deposit of animal waste Compressed and hardened biomass Coke Crude oil ANSWER DOWNLOAD EXAMIANS APP
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