KA1 Recall what happens to litmus paper if it is dipped in a neutral substance.It won't change colourIt will turn redIt will turn blueIt depends on whether you start with red or blue litmus paper

The change in colour of the moist litmus paper in the given set up is due to

Which of the following when put in water turns red litmus paper blue?A.KClB.NaNO33​ C.NaD.Na22​ SO44​

The change in colour of the moist litmus paper in the given set up is due toi. presence of acidii. presence of baseiii. presence of H⁺(aq) in the solutioniv. presence of Litmus which acts as an indicator(a) i and ii(b) Only ii(c) Only ii

If litmus paper turns blue, the pH of the solution must beGroup of answer choicesacidic.above 7.0.less than 7.0.less than 4.0.

The change in colour of the moist litmus paper in the given set up is due toi. presence of acidii. presence of baseiii. presence of H⁺(aq) in the solutioniv. presence of Litmus which acts as an indicator(a) i and ii(b) Only ii(c) Only iii(d) Only iv.12 In the redox reactionMnO2 + 4HCl → MnCl2 + 2H2O + Cl2(a) MnO2 is reduced to MnCl2& HCl is oxidized to H2O(b) MnO2 is reduced to MnCl2& HCl is oxidized to Cl21