Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons 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 temperature Increasing the concentration of a product Adding a catalyst Increasing the concentration of a reactant Increasing the temperature Increasing the concentration of a product Adding a catalyst Increasing the concentration of a reactant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is: Dihydroxy phenyl alanine Amino phenyl alanine Hydroxy phenyl alanine Phenyl alanine Dihydroxy phenyl alanine Amino phenyl alanine Hydroxy phenyl alanine Phenyl alanine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Aluminium powder None of these Aluminium sulphate Solder Aluminium powder None of these Aluminium sulphate Solder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as best adsorbent? Carbon black Activated Coconut Charcoal Charcoal Activated Charcoal Carbon black Activated Coconut Charcoal Charcoal Activated Charcoal ANSWER DOWNLOAD EXAMIANS APP
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