PDF chapter test TRY NOW
Answer the following questions:
Answer variants:
This is endothermic reaction.
This is exothermic reaction.
Because of electrostatic attraction between \(H_2O\) and \(HCl\), try to balance each other.
Due to the formation of yellowishiron sulphate solution
1. Consider the changes;
\(2HCl\)(g) → \(H_2\)(g) + \(Cl_2\)(g). Which according to you is exothermic change?
2. Consider the changes;
\(2Mg\)(s)+ \(O_2\)(g) → \(2MgO\)(s). Which according to you is exothermic change?
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