Question

Observe the following pH scale. A, B, C, D, E, F are substances.
To
3 4 5 6 7 8 9 10 11 12 13 14
ALTB TOTEFT
i) Which substances is taken as strong base.
ii) Which substances does not show any relation with blue litmus paper.
iii) Which substance give Red colour with methyl orange.
iv) Which substance does not react with methyl orange or phenolpthalene,​

Answer 1

Explanation:

the strongest base - F

substance that not show any relation with blue Litmus Paper - 8, 9, 10, 11, 12, 13, 14

the substance give red colour to methyl orange - 3, 4, 5, 6

distance with which does not react with methyl orange or phenolphthalein - 7