Chemistry Which one of the following is not a cause for present global warming and climate change ? Methane emission Carbondioxide emission Deforstation CFC emission Methane emission Carbondioxide emission Deforstation CFC emission 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 Adding a catalyst Increasing the temperature Increasing the concentration of a reactant Increasing the concentration of a product Adding a catalyst Increasing the temperature Increasing the concentration of a reactant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Coke Lamp black Diamond Graphite Coke Lamp black Diamond Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is methane helium oxygen ozone methane helium oxygen ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Mercury Silver Copper Aluminium Mercury Silver Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as An analgesic A fertilizer A purifier for water A disinfectant An analgesic A fertilizer A purifier for water A disinfectant ANSWER DOWNLOAD EXAMIANS APP
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