What would you observe when zinc is added to a solution of iron(II) sulphate? Write the chemical reaction that takes place.

How the chemical reaction takes place?

Samples of four metals A, B, C and D were taken and added to the following solution one by one. The results obtained have been tabulated as follows. Use the Table above to answer the following questions about metals A, B, C and D. (i) Which is the most reactive metal? (ii) What would you observe if B is added to a solution of Copper(II) sulphate? (iii) Arrange the metals A, B, C and D in the order of decreasing reactivity.

What do you observe when you press the wood ?

What happens when KI solution is added to an aqueous solution of copper sulphate?

What will you observe when Pb(NO_(3))_(2) is added to KI in a test tube?

What do you observe during chemical change ?

Which compound is formed when excess of KCN is added to an aqueous solution of copper sulphate

When a smal piece of zinc metal is added to a solution of Copper sulphate and onheating the products formed are………..

What happens if iron articles are exposed to moist air? Write the chemical equation to represent that reaction.