Which of the following water sample is not toxic? The sample which contains (A) `SO_(4)^(-2)`=600ppm (B) `NO_(3)^(-1)`=10ppm (C) `Pb`=70ppb (D) `Cd`=2ppm

Which of the following samples does not contain a total of 1.8066xx10^24 atoms

Which of the following gives a precipitate with Pb(NO_(3))_(2) ?

Which of the following statements is/are correct in following reaction. As_(2)S_(5)+NO_(3)^(ɵ)toAsO_(4)^(3-)+NO_(2)+SO_(4)^(2-)

Which of the following gives a precipitate with Pb(NO_(3))_(2) but not with Ba(NO_(3))_(2) ?

Which of the following species are hypervalent? (A) ClO_(4)^(-)" "(B)BF_(3) (C ) SO_(4)^(-2)" "(D)CO_(3)^(-2)

Which of the following solution gives precipitate with Pb(NO_(3))_(2) but not with Ba(NO_(3))_(2)

What will be the molality of chloroform in the water sample which contains 15 ppm chloroform by mass?

In which of the following pairs, the two species are iso-structural ? {:((a)SO_(4)^(2-)and NO_(3)^(-),(b),BF_(3)andNF_(3)),((c )BrO_(3)^(-)and XeO_(3),(d),SF_(4)and XeF_(4)):}

The strongest conjugate base is (a) NO_(3)^(-) (b) Cl^(-) (c) SO_(4)^(2-) (d) CH_(3)COO^(-)

What is molarity of K^(+) in aqueous solution that contains 17.4 ppm of K_(2)SO_(4)(174g"mol"^(-1)) ?