Chemistry Which one of the following is a micro-element ? Hydrogen Nitrogen Chlorine Oxygen Hydrogen Nitrogen Chlorine Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? Carbondioxide emission CFC emission Methane emission Deforstation Carbondioxide emission CFC emission Methane emission Deforstation ANSWER DOWNLOAD EXAMIANS APP
Chemistry For a spontaneous chemical process, the free energy change is Depends on whether the reaction is exothermic or endothermic Positive Zero Negative Depends on whether the reaction is exothermic or endothermic Positive Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Na Ag Fe Hg Na Ag Fe Hg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Phosphorus Sulphur Bauxite Graphite Phosphorus Sulphur Bauxite Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial fruit ripening of green fruit is Ethylene Ethane Acetylene Methane Ethylene Ethane Acetylene Methane ANSWER DOWNLOAD EXAMIANS APP
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