Chemistry Surface water is a better source of drinking water because it is poor in Algae Dust Arsenic Bacteria Algae Dust Arsenic Bacteria ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by : Increasing the concentration of a product Increasing the temperature Adding a catalyst Increasing the concentration of a reactant Increasing the concentration of a product Increasing the temperature Adding a catalyst Increasing the concentration of a reactant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Limonite Magnetite Siderite Haematite Limonite Magnetite Siderite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Magnesium Iron Silicon Oxygen Magnesium Iron Silicon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Barium Calcium Strontium Sodium Barium Calcium Strontium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Silver Iron Aluminium Gold Silver Iron Aluminium Gold ANSWER DOWNLOAD EXAMIANS APP
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