[" 34.Solution of is "0<|3x+1|<(1)/(3)" is "],[[" (1) "(-4/9,-2/9)],[" (2) "[-4/9,-2/9]],[" (3) "(-4/9,-2/9)-{-1/3}],[" (4) "[-4/9,-2/9]-{-1/3}]]

The number of iodine atoms present in 40mL solution of its 0.1M solution is

General solution of sin x=0 is…....

The pH of solution is 4.0 what should be the change in the hydrogen ion concentration of the solution if its pH is to be increased to 5.0

The general solution of cos theta =0 is

The pH of an aqueous solution of a 0.1M solution of a weak monoprotic acid which is 1% ionised is:

The conductivity of "0.1N NaOH" solution is 0.022 S cm^(-1) . To this solution equal volume of " 0.1 N HCl solution is added which results into decrease of conductivity of solution to 0.0055 S cm^(-1) . The equivalent conductivity of NaCl solution in S cm^(2)" equiv"^(-1) is :

The pH of a solution prepared by mixing 2.0 mL of HCI solution of pH 3.0 and 3.0 mL of NaOH of pH 10.0 is