Latest KVPY Aptitude Question SOLUTION: A concentrated solution of copper sulphate, which is dark blue in colour, a mixed at room temperature with a
dilute solution of copper sulphate, which is light blue. For this proce
A concentrated solution of copper sulphate, which is dark blue in colour, a mixed at room temperature with a
dilute solution of copper sulphate, which is light blue. For this process-
(A) Entropy change is positive, but enthalpy change is negative
(B) Entropy and enthalpy changes are both positive
(C) Entropy change is positive and enthalpy does not change
(D) Entropy change is negative and enthalpy change is positive
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The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?