Lakhmir Singh and Manjit Kaur Solutions for Chapter: Metals And Non-Metals, Exercise 3: Long Answer Type Questions

Name a metal which is so soft that it can be cut with a knife. 

Name the metal which is the best conductor of heat and electricity. 

Name one metal more reactive and another less reactive than hydrogen. 

Name one metal which displaces copper from copper sulphate solution and one which does not.

Name one metal which displaces silver from silver nitrate solution and one which does not.

State three reasons (of which at least one must be chemical) for believing that sodium is a metal. 

State three reasons (of which at least one must be chemical) for believing that sulphur is a non-metal. 

Name the non-metal that has been placed in the reactivity series of metals. (Chlorine / Hydrogen)