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Solution


Q.

Read the passage carefully and answer the following questions from (i) to (v):

 

The reaction between MnO2 and HCl is depicted in the following diagram. It was observed that a gas with bleaching abilities was released.

 

(i) The chemical reaction between MnO2 and HCl is an example of:
1 Displacement reaction  
2 Combination reaction  
3 Redox reaction  
4 Decomposition reaction  

Ans.

(3)