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Solution


Q.

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

 

Reshma broke her leg in an accident. She went to see Dr. Sant Prakash. On examination, Dr. Prakash mixed the white powder in water and applied to her leg along with the cotton and gauze. After a while, it turned into white, solid, hard mass. He said that it would support her fractured bone in the right position.

 

(iii) The reaction involved in the formation of white mass is:
1 Combustion  
2 Mineralisation  
3 Oxidation  
4 Crystallisation  

Ans.

(4)