Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is methane oxygen ozone helium methane oxygen ozone helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are mesons neutrons electrons positrons mesons neutrons electrons positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of same element having different mass numbers are called________ Isomers Isotopes Isobars Isotones Isomers Isotopes Isobars Isotones ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bhopal gas tragedy is associated with leakage of Methyl isocyanate Sulphur dioxide Carbon dioxide Nitrogen dioxide Methyl isocyanate Sulphur dioxide Carbon dioxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is Mg Na Ca K Mg Na Ca K ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Aluminium Potassium Fluorine Lead Aluminium Potassium Fluorine Lead ANSWER DOWNLOAD EXAMIANS APP
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