Chemistry When cathode rays strike a target of high atomic weight, they give rise to ?-rays X-rays ? and ? rays Positive rays ?-rays X-rays ? and ? rays Positive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: Same or opposite spin Opposite spin No spin Same spin Same or opposite spin Opposite spin No spin Same spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is acetylene ethane ethylene carbon dioxide acetylene ethane ethylene carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is usually made by alloying the steel with Manganese and copper Chromium and nickel Copper and chromium Copper and nickel Manganese and copper Chromium and nickel Copper and chromium Copper and nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in embalming biological materials is Formaldehyde in methanol Formaldehyde in water Gaseous formaldehyde Ethylene glycol Formaldehyde in methanol Formaldehyde in water Gaseous formaldehyde Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Decomposition Reduction Dehydration Oxidation Decomposition Reduction Dehydration Oxidation ANSWER DOWNLOAD EXAMIANS APP
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