Chemistry Muddy water is treated with alum in purification process, itis termed as : Coagulation Emulsification Adsorption Absorption Coagulation Emulsification Adsorption Absorption ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Ozone gas Methane Carbon dioxide Carbon Monoxide Ozone gas Methane Carbon dioxide Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Bitumen Peat Lignite Anthracite Bitumen Peat Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Slag is a name given for Molten sand Molten calcium silicate Molten alumina Molten iron Molten sand Molten calcium silicate Molten alumina Molten iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ Different atomic numbers and the same atomic mass The same atomic number but different atomic masses Different atomic numbers and different atomic mass The same atomic number and the atomic mass Different atomic numbers and the same atomic mass The same atomic number but different atomic masses Different atomic numbers and different atomic mass The same atomic number and the atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Al2O3 CaSO4, 2H2O Na2O + K2O CaO Al2O3 CaSO4, 2H2O Na2O + K2O CaO ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS