Question

2 g Ba(OH), is mixed with 1 g NH Cl as shown in figure. The mixture is stirred with a glass rod. If in the same activity. HCl acid is added in place of NH Cl and the mixture is stirred with a glass rod, then which of the following statement(s) is/are correct about this activity? Glass rod Test tube -2 2 g Ba(OH)2 + 1g NH.CI 1) In the first case, the tube will be hot to touch.
IT) In the second case, the tube will be hot to touch.
III) When HCl is added in place of NH CI, the reaction is exothermic.
IV) When NH Cl is added to Ba(OH)2, the reaction is endothermic.
a) I and IV
b) II and III
c) II, III and IV
d) Only 1 ​
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Answer 1

Answer:

The answer is D ok..

Explanation:

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