Anand took four colourless solution P, Q, R and S and performed the following tests. What is the

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#AnandtookfourcolourlesssolutionPQRandSandperformedthefollowingtestsWhatisthe

Anand took four colourless solution P, Q, R and S and performed the following tests. What is the definite conclusion that Anand can reach?
Solution P Solution Q Solution R
With methyl orange No change in colour Turns red No change in colour
With phenolphthalein No change in colour No change in colour No change in colour
With red litmus No change in colour No change in colour No change in colour
With blue litmus No change in colour Turns litmus red No change in colour

Solution S
No change in colour
Turns pink
Turns litmus blue
No change in colour

(A) Both P and S are salt solutions
(B) Both Q and S are basic solutions
(C) Both Q and R are salt solutions
(D) Both P and R are neutral solutions