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 . On adding its paste to acid and base separately, which colours would be observed? Choose the correct statements written by him: [A]. Hence, it is an acid-base indicator. (a) an acid and a base. Which of the following is acid-base indicator? On adding its paste to acid and base separately, which colours would be observed (a) Yellow in both acid and base. Add it to an alkaline solution, however, and it changes colour from yellow to red. (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 View solution. Turmeric compound is a naturally ocuring yellow colour compound. Turmeric 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. Question 12: Watch how a water based solution of turmeric, a common South Asian cooking spice, can be used as an acid-base indicator. Turmeric is a natural indicator. (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. Write the names of any two natural indicators. [B]. 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. Which of the following is an acid base indicator… (c) salt and water. Boojho is writing about turmeric indicator as turmeric is natural indicator and more details. Answer. So, turmeric is an acid-base indicator. Turmeric is yellow in acidic and neutral solutions; is bright red in basic solutions. Question 3. If turmeric is added to an acidic solution, it stays its usual yellow colour. [C]. On adding its paste to acid and base separately, which colours would be observed? When basic solutions such as sodium hydroxide is added to it, the solution turns to pinkish red. Turmeric turns red in basic solution. (d) a salt and a base. View solution. turmeric . Answer: (b) Yellow in acid and red in base Previous Post Next Post Turmeric is a natural indicator. Complete the following analogy: Turmeric: Indicator:: Milk of magnesia: (a) Strong acid (b) Antacid (c) Antidote for sting (d) Hydrated salt (b) Antacid. Which of the following is an acid-base indicator? Very Short Answer Type Questions. (b) an acid and a salt. Bases turn the yellow turmeric paper to red. 3. On adding its paste to acid and base separately, which colours would be observed. (a) an acid and a base (b) an acid and a salt (c) a salt and water (d) a salt and a base. (b) Yellow in acid and red in the base. The solution is : View solution Litmus paper is a_____ type of indicator. View solution. Soln: The answer is (c) salt and water. A solution changes the colour of turmeric indicator from yellow to red. Solution: (c) Salt and water are produced as a result of neutralisation reaction, e.g., NaOH + HCl → NaCl + H2O. View solution. Which of the following is a natural indicator? Turmeric is a natural indicator. Here the acid base indicators are option 3. i.e. It is an acid -base indicator, termeric compound remines yellow when acid or nutral solutions are added to it. Turmeric paper is yellow in acid solution. Such as sodium hydroxide is added to an acidic solution, it stays its yellow! Is ( c ) salt and water stays its usual yellow colour is. Compound remines yellow when acid or nutral solutions are added to an alkaline solution, however and! It stays its usual yellow colour compound is an acid and base separately which! Its paste to acid and red in base turmeric is yellow in acid and a base the is. 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