Chemistry The buffer action of blood is due to the presence of HCI and NaCI [HCO3]– and H2CO3 CI– and [HCO3]– CI– and [CO3]2– HCI and NaCI [HCO3]– and H2CO3 CI– and [HCO3]– CI– and [CO3]2– ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 0.02 10-15% 7-9% 3-5% 0.02 10-15% 7-9% 3-5% ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Alcohol H2O2 Oxalic acid Petrol Alcohol H2O2 Oxalic acid Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Carbon dioxide Chlorofluorocarbons Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbons Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning coal Steam engine Burning garbage Coal fire Burning coal Steam engine Burning garbage Coal fire ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements in the modern Periodic table are arranged according to their Mass number Atomic Weight Neutron number Atomic number Mass number Atomic Weight Neutron number Atomic number ANSWER DOWNLOAD EXAMIANS APP
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