Chemistry Which one of the following is used for dating very old objects of archaeological importance? Tritium Carbon-14 Phosphorus-31 Radium Tritium Carbon-14 Phosphorus-31 Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cinnabar is an ore/mineral of Molybdenum Lead Manganese Mercury Molybdenum Lead Manganese Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of aluminium is haematite monazite bauxite magnetite haematite monazite bauxite magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry If a buffer solution is diluted its pH Will slowly increase and then it will decrease Is increased Remains same Is decreased Will slowly increase and then it will decrease Is increased Remains same Is decreased ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Sand and TNT TNT and charcoal Nitre, sulphur and charcoal Sulphur, sand and charcoal Sand and TNT TNT and charcoal Nitre, sulphur and charcoal Sulphur, sand and charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when kept in the open for sometime due to the formation of Citric acid Lactic acid Acetic acid Carbonic acid Citric acid Lactic acid Acetic acid Carbonic acid ANSWER DOWNLOAD EXAMIANS APP