Chemistry Which one of the following metals is used to galvanise iron ? Mercury Zinc Copper Lead Mercury Zinc Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Free radical Carbocation Carbanion Carbene Free radical Carbocation Carbanion Carbene ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Magnesium sulphate Potassium chloride Calcium carbonate Sodium chloride Magnesium sulphate Potassium chloride Calcium carbonate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? Sodium Carbonate HCl Pure Water H2SO4 Sodium Carbonate HCl Pure Water H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of human blood is between : 4.5-5 6.5-7 7.5-8 44052 4.5-5 6.5-7 7.5-8 44052 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Same atomic number and same electronic configuration Different atomic number and same eletronic configu-ration Different atomic number and different number of valence electrons Same number of electrons and neutrons Same atomic number and same electronic configuration Different atomic number and same eletronic configu-ration Different atomic number and different number of valence electrons Same number of electrons and neutrons ANSWER DOWNLOAD EXAMIANS APP
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