Chemistry The most important ore of lead is Pyrolusite Siderite Magnetite Galena Pyrolusite Siderite Magnetite Galena ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of elements in the Periodic table 112 115 118 127 112 115 118 127 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following substance's smell is similar to Ethanoic acid? Vinegar Tomato juice Kerosene Lemon Vinegar Tomato juice Kerosene Lemon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Nitrogen Ozone Oxygen Chlorine Nitrogen Ozone Oxygen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Nitrogen Chlorine Hydrogen Helium Nitrogen Chlorine Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following species has the highest bond order, shortest bond length and maximum bond strength O-2 O-22 O2 O+2 O-2 O-22 O2 O+2 ANSWER DOWNLOAD EXAMIANS APP
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