Chemistry If water smells bad, then that odour can be removed by adding Alum Activated carbon Deactivated nitrogen Bleach Alum Activated carbon Deactivated nitrogen Bleach ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Sedimentation Disinfection Coagulation Softening Sedimentation Disinfection Coagulation Softening ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: Cu(NO3)2 CuSO4 CuO CuCO3 Cu(OH)2 Cu(NO3)2 CuSO4 CuO CuCO3 Cu(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is heaviest naturally-occurring element of the periodic element Rhodium Uranium Iron Thorium Rhodium Uranium Iron Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove ink and rust stains on cloth? Oxalic acid Kerosene oil Alcohol Ether Oxalic acid Kerosene oil Alcohol Ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Teflon Napthalene Diamond Graphite Teflon Napthalene Diamond Graphite ANSWER DOWNLOAD EXAMIANS APP
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