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Material:Metals and Non-metals

Uses of non-metals

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Question 1 Name one non-metal which is essential for maintaining life? Question 2 Name one non-metal used for making fertilisers? Question 3 Which non-metal is used in water purification? Question 4 Name non-metal used to make purple coloured solution which is applied on cuts and wounds as on antiseptic? Question 5 Name 2 non-metals which are used in … [Read more...] about Uses of non-metals

Uses of metals

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Question 1 Name 2 metals which are used for making cooking utensils? Question 2 Name 2 metals which are used for making electric wires? Question 3 Name 1 metals which is used in thermometers? Question 4 Which metal is used to galvanise iron to protect it from rusting? Question 5 Name the metals which is used to make thin foils fro packaging? Question 6 Name 2 … [Read more...] about Uses of metals

Displacement reaction

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Question 1 What are displacement reactions? Question 2 Which metal is more reactive:iron or zinc? Question 3 What would you observe when a strip of zinc is dipped in copper sulphate solution? Question 4 What would you observe when a strip of iron is dipped in copper sulphate solution? Question 5 What would you observe when a strip of zinc is dipped in iron sulphate … [Read more...] about Displacement reaction

Reaction of metals and non-metals with acid

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Question 1 Why should the foodstuffs like orange juice,pickles,chutney should not be kept in iron or aluminium containers? Question 2 Name the gas evolved when metals react with acid? Question 3 What happens when magnesium metal react with hydrochloric acid? Question 4 What happens when zinc metal react with hydrochloric acid? Question 5 What happens when  iron … [Read more...] about Reaction of metals and non-metals with acid

Reaction of metals and non-metals with a base

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Question 1 What happen when metals react with a base? Question 2 Name the gas evolved when metals react with a base? Question 3 Define the term reactivity series of metals? Question 4 Name the most reactive metal? Question 5 Name the least reactive metal? Question 6 What happen when aluminium react with a base? Reaction of metals and with a base Some metals … [Read more...] about Reaction of metals and non-metals with a base

Reaction of metals and non-metals with water

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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

Reaction of metal and non-metals with oxygen

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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

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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-metal 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 … [Read more...] about Difference between metals and non-metals