Chemistry The water pollution in river is measured by the dissolved amount of Ozone Chlorine Nitrogen Oxygen Ozone Chlorine Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcohol prepared by the distillation of wood is : Ethyl alcohol Methyl alcohol Glycerol Propyl alcohol Ethyl alcohol Methyl alcohol Glycerol Propyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 238 92 146 330 238 92 146 330 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Free available chlorine Combined available chlorine Free chlorine Residual chlorine Free available chlorine Combined available chlorine Free chlorine Residual chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Strong and hard Soft and flexible Chemical resistant Withstand higher temperatures Strong and hard Soft and flexible Chemical resistant Withstand higher temperatures ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following will replace hydrogen from acids to form salts ? S Na Ag P S Na Ag P ANSWER DOWNLOAD EXAMIANS APP
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