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 reactant 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon monoxide is an inflammable gas. Which one of the following is also inflammable? Nitrogen Hydrogen Helium Oxygen Nitrogen Hydrogen Helium Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Heterogeneous Pure substance Homogeneous Both A and B Heterogeneous Pure substance Homogeneous Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A seed plant A bacterium An insect A fungus A seed plant A bacterium An insect A fungus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The cathode of a lead storage battery is made up of Zinc Manganese dioxide Lead oxide Lead Zinc Manganese dioxide Lead oxide Lead ANSWER DOWNLOAD EXAMIANS APP
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