Chemistry Which of the following is used to remove ink and rust stains on cloth? Alcohol Ether Kerosene oil Oxalic acid Alcohol Ether Kerosene oil Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour milk contains Tartaric acid Acetic acid Citric acid Lactic acid Tartaric acid Acetic acid Citric acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Na2O + K2O CaSO4, 2H2O CaO Al2O3 Na2O + K2O CaSO4, 2H2O CaO Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Candle is a mixture of Paraffin was and stearic acid Bees wax and paraffin wax Higher fatty acids and stearic acid Bees wax and stearic acid Paraffin was and stearic acid Bees wax and paraffin wax Higher fatty acids and stearic acid Bees wax and stearic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/4 1/8 1/6 1/3 1/4 1/8 1/6 1/3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Sand and TNT TNT and charcoal Sulphur, sand and charcoal Nitre, sulphur and charcoal Sand and TNT TNT and charcoal Sulphur, sand and charcoal Nitre, sulphur and charcoal ANSWER DOWNLOAD EXAMIANS APP