Chemistry Sea water can be purified by the process of Evaporation Filtration Distillation Fractional distillation Evaporation Filtration Distillation Fractional distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Raman spectra Absorption spectra Fluorescence Emission spectra Raman spectra Absorption spectra Fluorescence Emission spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight Decreases Remains the same Increases First increases and then decreases Decreases Remains the same Increases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Volcanic eruptions Chlorofluorocarbons Radioactive rays Aviation fuels Volcanic eruptions Chlorofluorocarbons Radioactive rays Aviation fuels ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium palmitate Sodium salt of benzene sulphonic acid Sodium stearate Sodium salt of benzene carboxylic acid Sodium palmitate Sodium salt of benzene sulphonic acid Sodium stearate Sodium salt of benzene carboxylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that is used in the manufacture of vanaspati ghee is : Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
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