Answers Ethanol reacts with excess acidified K2Cr2O to produce Ethanol reacts with excess acidified K2Cr2O to produce A. ethanedioic acid B. ethanal C. ethylethanoate D. ethanoic acid… Read More
Answers Ethene reacts with hydrogen bromide to give Ethene reacts with hydrogen bromide to give A. CH2Br2 B. CH3CH2Br C. C2H2Br2 D. CHBr2 Correct Answer: Option… Read More
Answers How many isomers does pentane have? How many isomers does pentane have? A. 6 B. 5 C. 4 D. 3 Correct Answer: Option D… Read More
Answers The modern process of manufacturing steel for iron is by The modern process of manufacturing steel for iron is by A. treatment with acids B. oxidation C. blast… Read More
Answers Chlorine gas turns a damp starch-iodide paper Chlorine gas turns a damp starch-iodide paper A. pink B. colourless C. red D. dark blue Correct Answer:… Read More
Answers The metal that liberates hydrogen from cold water in bubbles only is? The metal that liberates hydrogen from cold water in bubbles only is? A. Na B. K C. Ca… Read More
Answers The salt that will form a precipitate soluble in excess ammonia solution is The salt that will form a precipitate soluble in excess ammonia solution is A. Ca(NO3)2 B. Cu(NO3)2 C.… Read More
Answers Which of the following statements is true of sulphur (IV) oxide? Which of the following statements is true of sulphur (IV) oxide? A. It forms tetraoxosulphate (VI) acid with… Read More
Answers Hydrogen can be displaced from a hot alkaline solution by Hydrogen can be displaced from a hot alkaline solution by A. Fe B. Cu C. Ca D. Sn… Read More
Answers Metals of the first transition series have special properties which are different from those of… Metals of the first transition series have special properties which are different from those of groups I and… Read More