Chemistry When Hydrogen starts burning in air, it produces ? Ammonia Water Carbonic Acid Methane Ammonia Water Carbonic Acid Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is harder than graphite because of : None of these Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms None of these Tetrahedral structure of diamond Difference of crystalline structures Difference in layers of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is not a characteristic of transition metals? Tendency to gain electrons Malleability Low electronegativity Low ionization energy Tendency to gain electrons Malleability Low electronegativity Low ionization energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of bleaching powder is : Calcium bi chloride Calcium hypochlorite Calcium chlorate Calcium chloro hypochlorite Calcium bi chloride Calcium hypochlorite Calcium chlorate Calcium chloro hypochlorite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Water softening Filtration Flocculation Sedimentation Water softening Filtration Flocculation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Carbon dioxide Peroxyacetyl nitrate Nitric oxide Sulphur dioxide Carbon dioxide Peroxyacetyl nitrate Nitric oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS