Chemistry The deterioration of a metal by an electrochemical process is commonly termed as Abrasion Corrosion Erosion Passivation Abrasion Corrosion Erosion Passivation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is aspirin chlorophyll caffeine nicotine aspirin chlorophyll caffeine nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Radio-waves Ultraviolet Visible Infrared Radio-waves Ultraviolet Visible Infrared ANSWER DOWNLOAD EXAMIANS APP
Chemistry If we burn graphite, Residue will be left It will not burn It will change into diamond No residue will be left Residue will be left It will not burn It will change into diamond No residue will be left ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Sodium carbonate Alum Lime Potassium Permangante Sodium carbonate Alum Lime Potassium Permangante ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaO Al2O3 CaSO4, 2H2O Na2O + K2O CaO Al2O3 CaSO4, 2H2O Na2O + K2O ANSWER DOWNLOAD EXAMIANS APP
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