Chemistry Which of the following metals form an amalgam with other metals ? Mercury Lead Tin Zinc Mercury Lead Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Carbon dioxide Nitrous oxide Sulphur dioxide Chlorofluorocarbon Carbon dioxide Nitrous oxide Sulphur dioxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is Hygrometer PH meter Ammeter Acidmeter Hygrometer PH meter Ammeter Acidmeter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic MgO CaO Al22O3 Na2O MgO CaO Al22O3 Na2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas mainly contains Carbon dioxide Carbon monoxide Hydrogen sulphide Methane Carbon dioxide Carbon monoxide Hydrogen sulphide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is: Dihydroxy phenyl alanine Hydroxy phenyl alanine Amino phenyl alanine Phenyl alanine Dihydroxy phenyl alanine Hydroxy phenyl alanine Amino phenyl alanine Phenyl alanine ANSWER DOWNLOAD EXAMIANS APP