Question

Answer the following questions in short
(1) State two uses of each sulphur and phosphorus.
(2) state four uses of metals.
(3)what happens when dilute sulphuric acid is poured on an aluminium piece? why?
(4) write word equation of the reaction involved when iron nails are placed in copper sulphate solution.
(5) what happens when a magnesium ribbon is heated in presence of air? give the chemical equation of the reaction.





please help me guys​

Answer 1

   (a) All metals are ductile.

             (b) All non-metals are ductile.

             (c) Generally, metals are ductile.

             (d) Some non-metals are ductile.

Ans.    (c) Generally metals are ductile.