Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Manganese Chromite Bauxite Mica Manganese Chromite Bauxite Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Carbon dioxide Oxygen All of them Hydrogen Carbon dioxide Oxygen All of them Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Silicon Sodium Magnesium Calcium Silicon Sodium Magnesium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Positive Zero Depends on whether the reaction is exothermic or endothermic Negative Positive Zero Depends on whether the reaction is exothermic or endothermic Negative ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is ________ . Diluted formic acid Glacial formic acid Glacial acetic acid Diluted acetic acid Diluted formic acid Glacial formic acid Glacial acetic acid Diluted acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Infra-red (IR) Gamma rays Ultraviolet rays (UV) X–rays Infra-red (IR) Gamma rays Ultraviolet rays (UV) X–rays ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS