Chemistry When cathode rays strike a target of high atomic weight, they give rise to ?-rays Positive rays X-rays ? and ? rays ?-rays Positive rays X-rays ? and ? rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Fumes Smoke Aerosols Mists Fumes Smoke Aerosols Mists ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following compounds of calcium, the one having highest covalent character is CaF2 Cal2 CaBr2 Cacl2 CaF2 Cal2 CaBr2 Cacl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Reduction in the cost of cement Preventing rapid setting of cement Increasing the strength of cement Rapid setting of cement Reduction in the cost of cement Preventing rapid setting of cement Increasing the strength of cement Rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Filtration Fractional distillation Distillation Evaporation Filtration Fractional distillation Distillation Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Mica Graphite Lead Carbon Mica Graphite Lead Carbon ANSWER DOWNLOAD EXAMIANS APP
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