Answers What is the following compounds will not decompose when heated strongly ? What is the following compounds will not decompose when heated strongly ? A. NaHCO3 B. K2CO3 C. MgCO3… Read More
Answers What is the change in the oxidation number of phosphorus in the the reaction represented… What is the change in the oxidation number of phosphorus in the the reaction represented by the following… Read More
Answers What is the quantity of electricity produced when a current of 0.5A is passed for… What is the quantity of electricity produced when a current of 0.5A is passed for 5 hours 45… Read More
Answers ”The rate a reaction is proportional to the number of effective collisions occurring per second… ”The rate a reaction is proportional to the number of effective collisions occurring per second between the reactants”.… Read More
Answers The halide used widely in photography is The halide used widely in photography is A. ammonium chloride B. calcum chloride C. silver bromide D. sodium… Read More
Answers The scum formed when soap is mixed with hard water could be The scum formed when soap is mixed with hard water could be A. calcium trioxocarbonate (IV) B. propane-… Read More
Answers The reactions ethyne are mainly The reactions ethyne are mainly A. substitution reactions B. addition reactions C. addition polymerization D. catalytic hydrogenation E.… Read More
Answers When air is passed through potash and then pyrogallol, the components are noble gases, When air is passed through potash and then pyrogallol, the components are noble gases, A. oxygen and carbon… Read More
Answers If the volume of a given mass of gas at 298 K and pressure of… If the volume of a given mass of gas at 298 K and pressure of 205.2 x 103… Read More
Answers The following acids are monobasic except The following acids are monobasic except A. methanoic acid B. dioxonitrate lll acid C. ethanedioic acid D. oxochlorate… Read More