Chemistry Mixture can be Homogeneous Both A and B Pure substance Heterogeneous Homogeneous Both A and B Pure substance Heterogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Sodium sulphate Hypo Silver bromide Hydroquinone Sodium sulphate Hypo Silver bromide Hydroquinone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x x/6 5x/36 7.2 x 5x x/6 5x/36 7.2 x ANSWER DOWNLOAD EXAMIANS APP
Chemistry Surface water is a better source of drinking water because it is poor in Algae Arsenic Bacteria Dust Algae Arsenic Bacteria Dust ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron donor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron acceptor An electron donor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron acceptor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethylene is a ________ molecule. Polar Covalent Nonpolar Ionic Polar Covalent Nonpolar Ionic ANSWER DOWNLOAD EXAMIANS APP
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