Chemistry Which of the following metals occurs in free state ? Lead Zinc Copper Iron Lead Zinc Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Microbes, present in air Pollutant gas, present in air Suspended solid particles in air Green house gas present in air Microbes, present in air Pollutant gas, present in air Suspended solid particles in air Green house gas present in air 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 elimination reaction an addition reaction an oxidation reaction a condensation reaction an elimination reaction an addition reaction an oxidation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Charcoal Camphor Coal-tar Diesel Charcoal Camphor Coal-tar Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saline soil contains None of these Hard rocks Lot of moisture High concentration of salt None of these Hard rocks Lot of moisture High concentration of salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From brown to blue-black From pink to blue-green From brown to orange-red From blue to pink From brown to blue-black From pink to blue-green From brown to orange-red From blue to pink ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS