Activity - Red rose indicator — task. Science CBSE, Class 7 New.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Answer the following:

Priya prepared rose indicator by mashing red rose petals, adding warm water, and straining the solution. She observed the colour and thought about its use for testing acids and bases.

1. What do you think would happen if the solution was left for a day?

The colour might fade
Nothing changes
The solution will boil
It will become sweet

2. What colour does rose indicator show in basic solution?

Purple
Pink
Red
Green

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6. Activity - Red rose indicator

Exercise condition: