Here are some results of solutions tested with universal indicator paper :

Sulphuric acid: Red

Metal polish: Dark blue

Washing-up liquid: Yellow

Milk of magnesia: Light blue

Oven cleaner: Purple

Car battery acid: Pink

Arrange the solutions in order of their increasing pH values (starting with the one with the lowest pH).

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Solution

Sulphuric acid < Car battery acid < Washing-up liquid < Milk of magnesia < Metal polish < Oven cleaner

Red: ph = 1
Pink: ph = 3-4
Yellow: ph = 5-6
Light blue : ph =9
Dark blue : ph = 10
Purple : ph = 11

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Similar questions

Q. Here are some results of solutions tested with universal indicator paper:

Sulphuric acid	: Red
Metal polish	: Dark blue
Washing-up liquid	: Yellow
Milk of magnesia	: Light blue
Oven cleaner	: Purple
Car battery acid	: Pink

Arrange the solutions in order of their increasing pH values (starting with the one with the lowest pH).

Five solutions A, B, C, D and E when tested with universal indicator showed pH as 4, 1, 11, 7 and 9, respectively. Which solution is

(a) neutral?

(b) strongly alkaline?

(d) weakly acidic?

(e) weakly alkaline?

Arrange the pH in increasing order of hydrogen-ion concentration.

Q. Five solutions A to E were tested with the universal indicator to find their pH. The results are shown below.
A. pH 1
B. pH 4
C. pH 7
D. pH 9
E. pH 11

(a) Which solution is neutral?
(b) Which is strongly acidic?
(c) Which is strongly basic?
(d) Which is weakly acidic?

Which one of the following solutions would you use to test the pH of a given sample?
(1) blue litmus solution
(2) red litmus solution
(3) universal indicator solution
(4) mixture of red and blue litmus solution

Question 9(a)
Five solutions A, B, C, D and E when tested with universal indicator showed pH as 4, 1, 11, 7 and 9, respectively. Which solution is
(a) neutral?
Arrange the pH in increasing order of hydrogen-ion concentration.

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Sulphuric acid < Car battery acid < Washing-up liquid < Milk of magnesia < Metal polish < Oven cleaner Red: ph = 1 Pink: ph = 3-4 Yellow: ph = 5-6 Light blue : ph =9 Dark blue : ph = 10 Purple : ph = 11

Sulphuric acid < Car battery acid < Washing-up liquid < Milk of magnesia < Metal polish < Oven cleaner

Red: ph = 1
Pink: ph = 3-4
Yellow: ph = 5-6
Light blue : ph =9
Dark blue : ph = 10
Purple : ph = 11