You are given a solution of iron sulphate. Which of the following do you think cannot displace iron from iron sulphate?- magnesium
- calcium
- copper
- zinc
Correct Answer: C. copper
Explanation: Copper cannot displace iron from iron sulphate solution because copper is less reactive than iron.
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- (a) Name one metal which can displace iron from iron sulphate solution.(b) Name one metal which cannot displace iron from iron sulphate solution.
- Can copper displace iron from iron sulphate solution? Give reasons.
- Can copper displace iron from iron sulphate solution? Give reason for your answer.
- What changes in the colour of iron nails and copper sulphate solution do you observe after keeping the iron nails dipped in copper sulphate solution for about 30 minutes?
- Which of the following pairs cannot undergo displacement reaction?A. iron sulphate solution and magnesiumB. zinc sulphate solution and ironC. zinc sulphate solution and calciumD. silver nitrate solution and copper
- What change in the colour of iron nails and copper sulphate solution you observe after keeping the iron nails dipped in copper sulphate solution for about 30 minutes.
- Which of the following reactions will not occur? Why not?(a) Zinc Sulphate + Copper âž Copper Sulphate + Zinc(b) Copper Sulphate + Iron âž Iron Sulphate + Copper
- What happens when iron nails are put into copper sulphate solution?
- Write word equations for two chemical reactions with the help of materials given in the box.[ Air, copper sulphate, iron, vinegar, iron oxide, carbon dioxide, iron sulphate, copper, lime water, water ]
- Why do the colour and solution of copper sulphate change when we take a solution of copper sulphate in a beaker and put an iron nail in it?
- If you leave a piece of iron in the open for a few days, it acquires a film of brownish substance, called rust.(a) Do you think rust is different from iron?(b) Can you change rust back into iron by some simple method?(c) Do you think the formation of rust from iron is a chemical change?(d) Give two other examples of a similar type of change.
- What would you observe when zinc is added to a solution of iron (II) sulphate? Write the chemical reaction that takes place.
- We can show that iron is more reactive than copper :by preparing copper sulphate solution and dipping iron strip in itby dipping both the strips in water for some timeby preparing iron sulphate solution and dipping copper strip in itby heating both iron and copper strips
- (a) Arrange the following metals in the increasing order of their reactivities :Copper, Zinc, Aluminium and Iron(b) List two observations you would record in your notebook 30 minutes after adding iron filings to copper sulphate solution.
- Give reasons for the following:Blue colour of copper sulphate solution is destroyed when iron fillings are added to it.
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