Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 12 6 Zero 18 12 6 Zero 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodine value is used to estimate Hydroxyl groups in oil Alkali content in oil Carboxylic groups in oil Unsaturation in oil Hydroxyl groups in oil Alkali content in oil Carboxylic groups in oil Unsaturation in oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Roasting Electrolysis Zone refining Oxidation Roasting Electrolysis Zone refining Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colloids can be purified by Dialysis Condensation Condensation Condensation Dialysis Condensation Condensation Condensation ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Zinc Nichrome Copper Tungsten Zinc Nichrome Copper Tungsten ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rutherford’s scattering experiment proved the presence of Neutrons in atoms Electrons in atoms Atoms in all matter Nucleus in atoms Neutrons in atoms Electrons in atoms Atoms in all matter Nucleus in atoms ANSWER DOWNLOAD EXAMIANS APP
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