Chemistry The mineral containing both magnesium and calcium is carnallite dolomite calcite magnesite carnallite dolomite calcite magnesite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas does not form the part of atmosphere ? Helium Nitrogen None of these Chlorine Helium Nitrogen None of these Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Al2O3 Na2O + K2O CaO CaSO4, 2H2O Al2O3 Na2O + K2O CaO CaSO4, 2H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Peat Bitumen Anthracite Lignite Peat Bitumen Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry DDT and BHC may act as Asthematic agents None of these Carcinogens Allergens Asthematic agents None of these Carcinogens Allergens ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is an iron ore ? Bauxite Nitrite Lignite Magnetite Bauxite Nitrite Lignite Magnetite ANSWER DOWNLOAD EXAMIANS APP