Chemistry Which of the following is not an addition polymer Nylon Polythene Polystyrene PVC Nylon Polythene Polystyrene PVC ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Lime soda process or manganese zeolite process Chlorination Oxidation followed by settling and filtration Ion exchange process Lime soda process or manganese zeolite process Chlorination Oxidation followed by settling and filtration Ion exchange process ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : H2O2 Petrol Oxalic acid Alcohol H2O2 Petrol Oxalic acid Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Coagulation Sedimentation Disinfection Softening Coagulation Sedimentation Disinfection Softening ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Half a million One million Ten million Two million Half a million One million Ten million Two million ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Chemical resistant Soft and flexible Withstand higher temperatures Strong and hard Chemical resistant Soft and flexible Withstand higher temperatures Strong and hard ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS