Question
You are provided with four test tubes containing sugar solution, baking soda solution, tamarind solution, salt solution. Write down an activity to find the nature (acidic/ basic/ neutral) of each solution.
You are provided with four test tubes containing sugar solution, baking soda solution, tamarind solution, salt solution. Write down an activity to find the nature (acidic/ basic/ neutral) of each solution.
✓
Answer
We can use both red and blue litmus solutions to find the nature (acidic/ basic/ neutral) of each solution. In acidic media, blue litmus solution turns to red and in basic media, red litmus solution turns to blue.
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Solution
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Effect on red litmus solution (change in colour)
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Effect on blue litmus solution (change in colour)
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Nature of solution found
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Sugar solution
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No change
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No change
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Neutral
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Baking soda solution
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Red changes to blue color
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No change
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Basic
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|
Tamarind solution
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No change
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Blue changes to red colour
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Acidic
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Salt solution (neutral)
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No change
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No change
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Netural
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