Chemistry The cathode of a lead storage battery is made up of Lead oxide Manganese dioxide Lead Zinc Lead oxide Manganese dioxide Lead Zinc 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 oxygen helium ozone methane oxygen helium ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Low - sulphur fuels More efficient car engines Static electricity to attract it in factory chimneys Catalytic converters in industry Low - sulphur fuels More efficient car engines Static electricity to attract it in factory chimneys Catalytic converters in industry ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of an oxidation reaction an addition reaction an elimination reaction a condensation reaction an oxidation reaction an addition reaction an elimination reaction a condensation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Plastic is a type of Polyester Polymer None of these Acrylic Polyester Polymer None of these Acrylic ANSWER DOWNLOAD EXAMIANS APP
Chemistry A thick paste of cement, sand and water is called R.C.C. Concrete Kiln Mortar R.C.C. Concrete Kiln Mortar ANSWER DOWNLOAD EXAMIANS APP