8). For which logic gate the following statement is true The output is low, if and only if all inputs are low
(a) AND (b) NOR (c) NAND (d) OR Ans : (d) OR
When SO2 gas is passed through solution of sodium hydroxide NaoH it forms sodium sulphite Na2So3 which further with excess of So2 forms sodium hydrogen sulphite NahSo3.
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