1995 - WAEC Chemistry Past Questions and Answers - page 3
In which of the following processes are larger molecules broken down into smaller molecules?
The following alkanols will yield alkanoic acids on reacting with excess acidified K2Cr2O7 except
Which of the following is an alloy of mercury?
The function of limestone in the extraction of iron in the blast furnace is
Metals which react with steam only when they are red-hot include
Copper (ll) tetraoxosulphate (VI) is often added to swimming pools because it
The following salts dissolve readily in cold water except
What is the amount (in mole) of hydrogen gas that would be produced if 0.6 mole of hydrochloric acid reacted with excess zinc according to the following equation? Zn(s) + 2HCI(aq) → ZnCI2(aq) + H2(g)
What is the amount (in mole) of hydrogen gas that would be produced if 0.6 mole of hydrochloric acid reacted with excess zinc according to the following equation? Zn(s) + 2HCI(aq) → ZnCI2(aq) + H2(g)