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Questions and Answers
Which color change would you observe when a sour substance is tested with blue litmus paper?
Which color change would you observe when a sour substance is tested with blue litmus paper?
- Yellow to orange
- Red to blue
- Purple to green
- Blue to red (correct)
Which substance would be most suitable to remedy acidity after overeating?
Which substance would be most suitable to remedy acidity after overeating?
- Lemon juice
- Vinegar
- Water with turmeric
- Baking soda solution (correct)
What happens to the color of red litmus paper when it comes in contact with a basic substance?
What happens to the color of red litmus paper when it comes in contact with a basic substance?
- Blue to red
- Purple to green
- Yellow to orange
- Red to blue (correct)
What effect does soap, which is basic, have on a curry stain on a white cloth?
What effect does soap, which is basic, have on a curry stain on a white cloth?
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Which indicator can be used to test for acids and bases apart from litmus and turmeric?
Which indicator can be used to test for acids and bases apart from litmus and turmeric?
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What is the source of litmus solution, commonly used as an indicator?
What is the source of litmus solution, commonly used as an indicator?
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