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 Increasing the concentration of a reactant Adding a catalyst Increasing the concentration of a product Increasing the temperature Increasing the concentration of a reactant Adding a catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Silicon Phosphorus Sulphur Bromine Silicon Phosphorus Sulphur Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Neon Argon Helium Hydrogen Neon Argon Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It is absorbed by plants It is the lightest gas It is highly inflammable It immediately combines with oxygen to form water It is absorbed by plants It is the lightest gas It is highly inflammable It immediately combines with oxygen to form water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of a condensation reaction an addition reaction an elimination reaction an oxidation reaction a condensation reaction an addition reaction an elimination reaction an oxidation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Lime Sodium carbonate Alum Potassium Permangante Lime Sodium carbonate Alum Potassium Permangante ANSWER DOWNLOAD EXAMIANS APP
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