Question 1 Why sodium and potassium are stored under kerosene oil? Question 2 Give equation for reaction of sodium with oxygen? Question 3 Give equation for reaction of potassium with oxygen? Question 4 What happens when sodium oxide reacts with water? Question 5 What happens when potassium oxide reacts with water? Question 6 What are amphoteric oxides? Reaction … [Read more...] about Reaction of Metals with Oxygen
Metals and Non-metals
Non-Metals
Question 1 Name one non-metal which conduct electricity? Question 2 Name one non-metal which have shiny surface? Question 3 Name one non-metal which is hard? Question 4 Name one non-metal having high melting point? Question 5 Why graphite is used in making electrodes? Question 6 Name one non-metal which is brittle? Question 7 Name one non-metal which has low … [Read more...] about Non-Metals