Chemistry Ozone layer is present in Stratosphere Troposphere Ionosphere Exosphere Stratosphere Troposphere Ionosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry powder fire extinguishers contain Sand and sodium bicarbonate Sand Sand and potassium carbonate Sand and sodium carbonate Sand and sodium bicarbonate Sand Sand and potassium carbonate Sand and sodium carbonate 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 x/6 7.2 x 5x/36 5x x/6 7.2 x 5x/36 5x ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Magnesium oxide Calcium oxide Aluminium oxide Zinc oxide Magnesium oxide Calcium oxide Aluminium oxide Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at West Bengal coast Travancore coast Gujarat coast Orissa coast West Bengal coast Travancore coast Gujarat coast Orissa coast ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is All of these Ethane Nitrogen Methane All of these Ethane Nitrogen Methane ANSWER DOWNLOAD EXAMIANS APP
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