Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Helium Nitrogen Hydrogen Methane Helium Nitrogen Hydrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Chlorine over slaked lime Carbon dioxide over slaked lime Oxygen over slaked lime Chlorine over quick lirne Chlorine over slaked lime Carbon dioxide over slaked lime Oxygen over slaked lime Chlorine over quick lirne ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Pure substance Both A and B Homogeneous Heterogeneous Pure substance Both A and B Homogeneous Heterogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Uranium Geothermal powder Natural gas Coal Uranium Geothermal powder Natural gas Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in OF2 H2O (2) C12O N2O OF2 H2O (2) C12O N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is a natural colloid ? Blood Sodium chloride Urea Cane-sugar Blood Sodium chloride Urea Cane-sugar ANSWER DOWNLOAD EXAMIANS APP
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