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📝 Questions: 21
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Q1. Calcium hydroxide is chemically represented as:
Q2. Which of the following substances is classified as an acid?
Q3. Which indicator works by detecting a change in smell?
Q4. Acids and bases neutralise each other because:
Q5. Magnesium hydroxide is correctly represented as:
Q6. The process by which acids and bases cancel each other's effect is called:
Q7. Which substance is used as an olfactory indicator?
Q8. The colour of neutral litmus solution is:
Q9. Acids generally have which taste?
Q10. Indicators determine whether a substance is acidic or basic by showing:
Q11. Litmus is best described as a:
Q12. Bitter taste in food is due to the presence of:
Q13. Clove oil can act as which type of indicator?
Q14. Natural substances that indicate the presence of acids or bases are called:
Q15. Litmus solution is naturally which colour?
Q16. Red litmus paper turns blue in which type of solution?
Q17. Cloth strips soaked with onion extract are used to test:
Q18. Which indicator appears purple in a neutral solution?
Q19. Litmus solution is extracted from which organism?
Q20. Distilled water is:
Q21. Lichen belongs to which division of plants?
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