1.

13. Which of the following is combination reaction. 1.2 KCIOheat> 2KCl + 30,ii. MgO +H2O --------> Mg(OH)2iii. 4Al +30)>2Al₂O,iv. Zn+FeSO4-> Zrsoa+Fea. I and itbi and Icli and ivd. amd​

Answer» ONG>1.  2 and 3. is the correct answrr.

1. is a DECOMPOSITION reaction.

2. is a COMBINATION reaction.

3. is also a combination reaction.

4. is a displacement reaction.



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