| Rupali, a class 10 student has set up the apparatus as shown in the figures. |
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| Which of the following observations is correct? |
A) Temperature of beakers I, II and III will be raised as dissolution of salts is an exothermic process.
B) Temperature of beakers III and IV will be raised while temperature of beakers I and II will fall.
C) Temperature will rise only in beaker IV as redox reactions are exothermic.
D) None of these
Correct Answer: B
Solution :
Dissolution of salts may be endothermic or exothermic but displacement reactions are always exothermic.
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