Chemistry The process which does not evolve CO2 in air is Breathing Organic delay Burning Photosynthesis Breathing Organic delay Burning Photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as an anti-freeze for the automobile engines ? Methanol Propyl alcohol Ethylene glycol Ethanol Methanol Propyl alcohol Ethylene glycol Ethanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to X-rays Positive rays ? and ? rays ?-rays X-rays Positive rays ? and ? rays ?-rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Williamson's synthesis is widely used in the laboratory preparation of Alcohols Esters Aldehydes Ethers Alcohols Esters Aldehydes Ethers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Borax powder Alum Soda powder Bleaching powder Borax powder Alum Soda powder Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium ANSWER DOWNLOAD EXAMIANS APP
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