Answers In which of the following equations can Le-chartelier’s principle be applied? In which of the following equations can Le-chartelier’s principle be applied? A. H2(g)+S(g) → H2(g) B. 2H2S(g) +… Read More
Answers A colourless gas with characteristics odour which dissolves in water to form an alkaline solution… A colourless gas with characteristics odour which dissolves in water to form an alkaline solution is A. ammonia… Read More
Answers What is the maximum number of electrons that an f-orbital can accommodate? What is the maximum number of electrons that an f-orbital can accommodate? A. 2 B. 6 C. 7… Read More
Answers In which of these groups will all the substances be insoluble in water? In which of these groups will all the substances be insoluble in water? A. Na2CO3, KNO3,(NH4)2C03 B. NaHCO3,… Read More
Answers A substance is said to be hygroscopic when it A substance is said to be hygroscopic when it A. absorbs atmospheric moisture and then goes into solution… Read More
Answers Chromatography is used to separate components of mixtures which differ in their rates of Chromatography is used to separate components of mixtures which differ in their rates of A. diffusion B. migration… Read More
Answers If two elements X and Z with electronic configurations 2,8.3 and2,8,6 respectively combine, the compound… If two elements X and Z with electronic configurations 2,8.3 and2,8,6 respectively combine, the compound formed will have… Read More
Answers The following gases are diatomic EXCEPT The following gases are diatomic EXCEPT A. Fluorine B. Helium C. Hydrogen D. Nitrogen E. Oxygen Correct Answer:… Read More
Answers Which of these is NOT a physical property f water? Which of these is NOT a physical property f water? A. Can be used to dissolve organic substances… Read More
Answers During the electrolysis of sodium Chloride solution, hydrogen is discharged at the carbon cathode because During the electrolysis of sodium Chloride solution, hydrogen is discharged at the carbon cathode because A. hydrogen ions… Read More