Chemistry
Grade-10
Easy
Question
The following figure shows the color changes in the test tubes A, B and C after adding indicator China rose.
Identify the solution present in test tubes A, B and C, respectively?
Test Tube
(I)
(II)
(III)
Sample
Vinegar
Glucose solution
Salt solution
Test Tube
(I)
(II)
(III)
Sample
Orange juice
Glucose solution
Soap solution
Test Tube
(I)
(II)
(III)
Sample
Lime water
Vinegar
Salt solution
Test Tube
(I)
(II)
(III)
Sample
Lime water
Vinegar
Salt solution
| Test Tube |
(I) |
(II) |
(III) |
| Sample |
Vinegar |
Glucose solution |
Salt solution |
| Test Tube |
(I) |
(II) |
(III) |
| Sample |
Orange juice |
Glucose solution |
Soap solution |
| Test Tube |
(I) |
(II) |
(III) |
| Sample |
Lime water |
Vinegar |
Salt solution |
| Test Tube |
(I) |
(II) |
(III) |
| Sample |
Lime water |
Vinegar |
Salt solution |
Hint:
Acids turn china rose indicator to magenta.
Bases turn china rose indicator to green.
The correct answer is:
Test Tube
(I)
(II)
(III)
Sample
Orange juice
Glucose solution
Soap solution
(I)
(II)
(III)
Orange juice
Glucose solution
Soap solution
Test tube I - Orange juice
Test tube II - Glucose solution.
Test tube III - Soap solution.
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