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Chemistry CBSE Live product
Class 7 (2026-27)
Exploring Substances: Acidic, Basic, and Neutral
Red Rose Indicator
5.
TBQ - Effect of natural indiators
Question:
4
m.
Answer the following question given below:
The table below shows the effect of different substances on red rose indicator. Fill in the colour observed for each case.
Sample
Effect on red rose indicator
Effect on china rose indicator
i.
Vinegar
Red
No change
Blue
Green
Green
Dark pink
No change
Blue
ii.
Lemon juice
Red litmus → Blue
Red litmus → yellow
Red
Red litmus → pink
Dark pink
Green
Blue
No change
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