Chemistry When cathode rays strike a target of high atomic weight, they give rise to ?-rays ? and ? rays X-rays Positive rays ?-rays ? and ? rays X-rays Positive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Positron Alpha particles Proton Beta particles Positron Alpha particles Proton Beta particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Petrol Oxalic acid solution Kerosene Lime Petrol Oxalic acid solution Kerosene Lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethylene carbon dioxide acetylene ethane ethylene carbon dioxide acetylene ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Magnesium Iron Silicon Oxygen Magnesium Iron Silicon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The National Chemical Laboratory (India) is located in Bangaluru Pune Mumbai Hyderabad Bangaluru Pune Mumbai Hyderabad ANSWER DOWNLOAD EXAMIANS APP
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