MCQ
Heat is released in :
- ✓Exothermic reactions.
- BEndothermic reactions.
- CBoth $A$ and $B.$
- DNone of these.
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(Atomic mass : $Cl =35.5 \,amu , H =1\, amu$ )
[Given $: R =8.31 \,J \,K ^{-1} \,mol ^{-1}, \log 1.33=0.1239$ $\ln 10=2.3]$