MCQ
When an acid or alkali is mixed with buffer solution, then $pH$ of buffer solution
- ✓Not changes
- BChanges slightly
- CIncreases
- DDecreases
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${A_2}(g) + 4{B_2}(g) \rightleftharpoons 2A{B_4}(g)\,;\,\Delta H < 0$
the formation of $AB_4(g)$ will be favoured by