Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Krypton Helium Radon Argon Krypton Helium Radon Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1023 4.84 x 1017 1.568 x 103 6.023 x 1019 6.023 x 1023 4.84 x 1017 1.568 x 103 6.023 x 1019 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Ionic hydrides Metallic hydrides Polynuclear hydrides Molecular hydrides Ionic hydrides Metallic hydrides Polynuclear hydrides Molecular hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Magnesium oxide Aluminium oxide Calcium oxide Zinc oxide Magnesium oxide Aluminium oxide Calcium oxide Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon monoxide Sulphur dioxide Carbon dioxide Methane Carbon monoxide Sulphur dioxide Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrogen pentoxide Nitric oxide Nitrous oxide Nitrogen dioxide Nitrogen pentoxide Nitric oxide Nitrous oxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
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