Question 1 How do metal oxide differ form non-metal oxide? Question 2 An element forms an oxide which is acidic in nature. Is the element a metal or a non-metal? Question 3 An element forms an oxide which is basic in nature. Is the element a metal or a non-metal? Question 4 What happens when magnesium react with oxygen? Question 5 What is rust. Write the chemical … [Read more...] about Reaction of metal and non-metals with oxygen
rust
Corrosion
Question 1 Define the term corrosion? Question 2 What is meant by rusting of iron? Question 3 State the conditions necessary for rusting of iron? Question 4 State the ways to prevent the rusting of iron? Question 5 Name the metal used for galvanising iron? Question 6 Why copper objects lose their shine after sometime? Question 7 Why silver articles became … [Read more...] about Corrosion