During a science activity, the teacher arranged a test tube as shown in the figure and asked students to predict the effect of various indicators on the given solutions. Which of the following statements are correct?
I. Turmeric solution will turn red in test tube B and C.
II. Litmus solution will turn blue in test tube A.
III. Red cabbage extract will turn green in test tube A.
IV. Litmus solution will turn red in test tubes Band C.

I, II and IV only

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II, III and IV only

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I and II

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III and IV only

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Solution

The correct option is B II, III and IV only

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Q. 2 mL of ethanoic acid was taken in each of test-tube I and test-tube II. A red litmus paper was introduced in test-tube I and a pH paper was introduced in test-tube II. The experiment was performed by four students A, B, C and D, they reported their observations as given below :

Student	Action on red litmus	Action of pH paper
A B C D	Turned blue Remains unchanged Turned blue Remains unchanged	Turned pink Turned green Turned blue Turned pink

The correct set of observations was made by the student :
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(2) B
(3) C
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Solution of Soap solution Pure water

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Q. Sanya performed an experiment on the given solutions to observe the effect of various indicators on them. The observations recorded are given below.

1. Turmeric solution turns red in solutions 1 and 3.
2. China rose will turn green in solutions 2 and 4.
3. Red litmus will turn blue in solutions 1, 2, and 4.
4. Red cabbage extract will turn red in solutions 1 and 3.
Identify the incorrect observations.

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