Chemistry Past Questions and Answers

Consider the following exothermic reaction 2SO<sub style='font-size: smaller;'>2</sub>(g) + O<sub style='font-size: smaller;'>2</sub>(g) = 2SO<sub style='font-size: smaller;'>3</sub> (g) . If the temperature of the reaction is reduced from 800<sub style='font-size: smaller;'>o</sub>C to 500<sub style='font-size: smaller;'>o</sub>C, and no other change takes place, then

The IUPAC name for

In an attempt to remove sugar from a breaker containing a quantity of sand and sugar, 2 M ammonium chloride solution was accidentally added instead of water. Which of the following method could be used to remove the ammonium chloride from the mixture?

The alloy duralumin is used for the building of aeroplanes because it?

A solution X on mixing with AgNO<sub style='font-size: smaller;'>3</sub> solution, gives a white precipitate solution in NH<sub style='font-size: smaller;'>3</sub>. A Solution Y, when added to X, also gives a white precipiate which is soluble on boiling. Solution Y contains?