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