Chemistry Which one among the following is not a mixture? Brass Graphite Glass Steel Brass Graphite Glass Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1023 6.023 x 1019 1.568 x 103 4.84 x 1017 6.023 x 1023 6.023 x 1019 1.568 x 103 4.84 x 1017 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Nitrogen Calcium Oxygen Silicon Nitrogen Calcium Oxygen Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to availability of d-orbitals strong F - F bond small size of fluorine atom its high electro negativity availability of d-orbitals strong F - F bond small size of fluorine atom its high electro negativity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaO CaSO4, 2H2O Al2O3 Na2O + K2O CaO CaSO4, 2H2O Al2O3 Na2O + K2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of oxygen in carbon dioxide (CO2) 0.658 0.509 0.727 0.305 0.658 0.509 0.727 0.305 ANSWER DOWNLOAD EXAMIANS APP