Symbolic representation of four logic gates are shown as:
Pick out which ones are for AND, NAND and NOT gates, respectively:
(ii), (iii) and (iv)
(iii), (ii) and (i)
(iii), (ii) and (iv)
(ii), (iv) and (iii)
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5 g of Na2SO4 was dissolved in x g of H2O. The change in freezing point was found to be 3.820C. If Na2SO4 is 81.5% ionised, the value of x (K

A capacitor is made of two square plates each of side 'a' making a very small angle
A solution of m-chloroaniline, m-chlorophenol and m-chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of NaHCO3 to give fraction A. The leftover organic phase was extracted with d