Turmeric is a natural indicator. If you watched the video, you’ve already seen the other chemistry you can try with turmeric: it can be used as an indicator to help us spot the difference between acids and alkalis. Turmeric is yellow in acidic and neutral solutions; is bright red in basic solutions. Turmeric is a natural indicator. Bases turn the yellow turmeric paper to red. Write the names of any two natural indicators. Turmeric compound is a naturally ocuring yellow colour compound. Complete the following analogy: Turmeric: Indicator:: Milk of magnesia: (a) Strong acid (b) Antacid (c) Antidote for sting (d) Hydrated salt (b) Antacid. (b) Yellow in acid and red in the base. When basic solutions such as sodium hydroxide is added to it, the solution turns to pinkish red. Soln: The answer is (c) salt and water. (a) Yellow in both acid and base (b) Yellow in acid and red in base (c) Pink in acid and yellow in base (d) Red in acid and blue in base. Question 3. (a) an acid and a base (b) an acid and a salt (c) a salt and water (d) a salt and a base. (a) Vinegar (b) Lime water (c) Turmeric (d) Baking soda Answer: (c) Turmeric paste changes it colour from yellow to red when treated with a base. Here the acid base indicators are option 3. i.e. turmeric . Which of the following is a natural indicator? (a) Yellow in both acid and base (b) Yellow in acid and red in base (c) Pink in acid and yellow in base (d) Red in acid and blue in base 3. Add it to an alkaline solution, however, and it changes colour from yellow to red. On adding its paste to acid and base separately, which colours would be observed. Answer: (b) Yellow in acid and red in base Watch how a water based solution of turmeric, a common South Asian cooking spice, can be used as an acid-base indicator. So, turmeric is an acid-base indicator. (b) an acid and a salt. Hence, it is an acid-base indicator. View solution. (c) salt and water. On adding its paste to acid and base separately, which colours would be observed? On adding its paste to acid and base separately, which colours would be observed? The solution is : View solution Litmus paper is a_____ type of indicator. (a) an acid and a base. View solution. Which of the following is an acid-base indicator? Turmeric is a natural indicator. Turmeric turns red in basic solution. Answer. Turmeric is a natural indicator and it changes to reddish brown colour in contact with a base and for acids and neutral substances it remains yellow . Previous Post Next Post Boojho is writing about turmeric indicator as turmeric is natural indicator and more details. Solution: (c) Salt and water are produced as a result of neutralisation reaction, e.g., NaOH + HCl → NaCl + H2O. Which of the following is an acid base indicator… View solution. Which of the following is acid-base indicator? [C]. 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