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Solution


Q.

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

 

Balanced chemical equation has an equal number of atoms of different elements in the reactants and products. According to law of conservation of mass, matter can neither be created nor be destroyed in a chemical reaction.
 

 

(iv) Study the given diagram in which white powder of silver chloride was left open in sunlight. After few hours, it was observed that the white powder changed to silvery material. What type of reaction is it
1  Displacement reaction  
2 Decomposition reaction  
3 Decomposition reaction  
4 Corrosion  

Ans.

(2)

Decomposition reaction