Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Gamma rays X–rays Infra-red (IR) Ultraviolet rays (UV) Gamma rays X–rays Infra-red (IR) Ultraviolet rays (UV) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Oxygen Nitrogen Helium Hydrogen Oxygen Nitrogen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Hydroquinone Hypo Sodium sulphate Silver bromide Hydroquinone Hypo Sodium sulphate Silver bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Formic acid Citric acid Oxalic acid Acetic acid Formic acid Citric acid Oxalic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Galena Siderite Magnetite Pyrolusite Galena Siderite Magnetite Pyrolusite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a sublime substance? Iodine Sugar Table salt Potassium Iodide Iodine Sugar Table salt Potassium Iodide ANSWER DOWNLOAD EXAMIANS APP
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