Chemistry Total number of naturally occurring elements 92 110 62 98 92 110 62 98 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Sodium Strontium Barium Calcium Sodium Strontium Barium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry One property of ammonia is It is a odourless gas It is a yellowish gas It is insoluble in water Its aqueous solution turns red litmus blue It is a odourless gas It is a yellowish gas It is insoluble in water Its aqueous solution turns red litmus blue ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Beta particles Alpha particles Proton Positron Beta particles Alpha particles Proton Positron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Radioactive rays Volcanic eruptions Chlorofluorocarbons Aviation fuels Radioactive rays Volcanic eruptions Chlorofluorocarbons Aviation fuels ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Sedimentation Water softening Flocculation Filtration Sedimentation Water softening Flocculation Filtration ANSWER DOWNLOAD EXAMIANS APP
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