Question

Please Help Me With This Question ​

Answer 1

Answer:

(A) ONLY

Step-by-step explanation

       1.  In reaction (a)  where NH₄Cl is slightly Acidic but Ba(OH)₂ is highly                        

           Basic

           so, it is Endothermic i.e. energy is absorbed

       2.  In reaction (b) O₂ is reacted with C₆H₁₂O₆ Which is Combustion      

            reaction

            so, it is exothermic reaction . i.e. energy is released

        3.  In reaction (c) , it is a decomposition reaction .

             so, it is an exothermic reaction i.e. energy is released  

                                                       

        4.  In reaction (d) , it is also an combustion reaction.

             so, it is an exothermic reaction .  i.e. energy is released

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