Formation of curd from milk after doing initation `"CONVERSION of C (graphite)" rarr "C(DIAMOND) at" 25^(@)C` and latex. Formation of `H_(2)(g)` and `O_(2)`(g)` from H_(2)O(l)` Formation of `CrO_(5)` from `H_(2)O_(2)` and `K_(2)Cr_(2)O_(7)` in basic medium