Chemistry German silver used for making utensils is an alloy of Copper, silver, nickel Copper, zinc, nickel Copper, zinc, aluminium Copper, nickel, aluminium Copper, silver, nickel Copper, zinc, nickel Copper, zinc, aluminium Copper, nickel, aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Softening Sedimentation Coagulation Disinfection Softening Sedimentation Coagulation Disinfection ANSWER DOWNLOAD EXAMIANS APP
Chemistry The quality of petrol is expressed in terms of Cetane number Octane number Gold number Added unlead compounds Cetane number Octane number Gold number Added unlead compounds ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon dioxide Carbon monoxide Smoke Sulphur dioxide Carbon dioxide Carbon monoxide Smoke Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Freon' used as refrigerants is chemically Fluorinated hydrocarbon Chlorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated aromatic compound Fluorinated hydrocarbon Chlorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated aromatic compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Iron Gold Silver Aluminium Iron Gold Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
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