Question 1 Name the gas evolved when a metal reacts with water? Question 2 What happen when metal react with water? Question 3 What happen when sodium react with water? Question 4 What happen when magnesium react with water? Question 5 Why sodium metal is stored under kerosene? Question 6 Why phosphorus is stored in bottles containing water? Question 7 What … [Read more...] about Reaction of metals and non-metals with water
Class 8
Reaction of metal and non-metals with oxygen
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
Difference between Metals and Non-Metals
Question 1 How will you differentiate between metals and non-metals on the basis of physical properties? Difference between metals and non-metals Metals Non-Metals 1)They are malleable They are not malleable 2)They are ductile They are not ductile. 3)They are good conductors of heat and electricity. They are bad conductors of heat and … [Read more...] about Difference between Metals and Non-Metals
Properties of Non-metals
Question 1 Why non-metals are not malleable? Question 2 Why non-metals are not ductile? Question 3 Name one non-metal which is a good conductor of electricity? Question 4 Why graphite is used in making electrodes? Question 5 Write few properties of non-metals? Question 6 Name one lustrous non-metal? Question 7 What is brittleness? Properties of … [Read more...] about Properties of Non-metals
Properties of Metals
Question 1 Define the term malleability? Question 2 Define the term ductility? Question 3 Why cooking utensils are made up of metals? Question 4 Name 2 metals which are malleable? Question 5 Why metals are used in making jewellery? Question 6 Why metals are used for making bells? Question 7 Why iron is used in construction of bridges,machines,railway lines … [Read more...] about Properties of Metals