Chemistry Curd is sour due to presenceof Acetic acid Oxalic acid Tartaric acid Lactic acid Acetic acid Oxalic acid Tartaric acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Oxidised in air Reduced by light Soluble in hyposolution Totally colourless Oxidised in air Reduced by light Soluble in hyposolution Totally colourless ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is very reactive and kept in kerosene? Potassium Bromine Sodium Iodine Potassium Bromine Sodium Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon dioxide Ozone Carbon monoxide Water vapour Carbon dioxide Ozone Carbon monoxide Water vapour ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over India Antarctica Africa Europe India Antarctica Africa Europe ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful CO2 in the air Solar infrared radiation SO2 in the air Solar ultraviolet radiation CO2 in the air Solar infrared radiation SO2 in the air Solar ultraviolet radiation ANSWER DOWNLOAD EXAMIANS APP
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