Arrange the following metals in the order in which they displace each other from the solution of their salts.Al, Cu, Fe, Mg and Zn.

Arrange the following metals in the order of their decreasing reactivity: Aluminium, gold, sodium, copper

Which of the following method is used to make pure water from a solution of salt in water?

Enlist the ores of some transition metals like Fe, Cu and Zn.

Answer the following questions: Arrange the following metals in the decreasing order of chemical reactivity: Cu, Mg, Fe,Ca, Zn, Na.

Arrange the following in the order of property indicated for each set:- HF, HCI, HBr, HI increasing acid strength.

Which of the following alloys contains Cu and Zn ?

Answer the following questions: How does a metal react with salts of other metals ?

Answer the following questions: Arrange the following metals in the increasing order of their activity: copper, Silver , Aluminium , Iron.

Which of the following metal is used to remove sulphur from petroleum ?