Question

Three beakers labelled as A, B and C each containing 25 mL
of water were taken. A small amount of NaOH, anhydrous
CuSo, and NaCl were added to the beakers A, B and C
respectively. It was observed that there was an increase in
the temperature of the solutions contained in beakers A and
B, whereas in case of beaker C, the temperature of the
solution falls. Which one of the following statement(s) is (are)
correct?
0 In beakers A and B, exothermic process has occurred.
(ii) In beakers A and B, endothermic process has occurred.
iii) In beaker C exothermic process has occurred.
iv) In beaker C endothermic process has occurred.
a) (i) only
(b) (ii) only
(0) and (iv) (d) (ii) and (iii)​

Answer 1

Answer:

(c) (i) and (iv)

Explanation:

Exothermic processes will increase the temperature whereas exothermic processes will decrease the temperature.

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