Which statement is true of phenolphthalein? Indicate if the following are true or false 1. … (f) Calamine can be used to treat ant’s sting. All the above. 1/15. (f) Calamine can be used to treat ant’s sting. (e) Phenolphthalein is a natural indicator. b) Phenolphthalein indicator changes colour close to the point of neutralisation which shows the end-point of the titration. 5. 46.A solution turns Phenolphthalein indicator pink. (c) Lime water turns red litmus blue. (a) Basic (b) Either acidic or basic (c) Either acidic or neutral (d) Either basic or neutral Q6. True Or False And Explain The Reasoning. False, substances can be neutral as well. Solution 10 (a) Citric acid - Lemon. False. (b) A compound if acidic will turn all indicators red. Correct the false statements. c) True d) False- Color of the litmus paper will not change at all 7. Correct the false statements. Turmeric paper turns into red when it is dipped into basic solution. Turmeric is a natural indicator. Question 6. It indicates that the oxide is basic in nature. On adding its paste to acid and base separately, which colours would be observed. (c) Lime water turns red litmus blue. Previous. b. (b) A compound if acidic will turn all indicators red. True False 1. Universal indicator tape. 4. Answer correctly i will give brainliest true or false: … c) When adding acid to base the phenolphthalein indicator changes colour from colourless to pink at the end point of the titration. (a) All substances are either acidic or basic. Figure 1 shows a variety of acid-base indicators that can be used in titration experiments. (c) Lactic acid - Sour milk or curd. a) Red b) blue c) orange d) pink e) no color . [C]. Add your answer and earn points. Answers: 1. C) 3, … False. Solution: Option (c) is the answer. Upvote(0) How satisfied are you with the answer? (g) Lemon water is basic in nature. Answer. When added to an acidic solution, it turns red and when added to a basic solution, it turns blue. Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, … Question 11. Phenolphthalein changes colour at a pH above 7. Expert Answer 100% (6 ratings) a) … 1). (c) True (d) False. … 8.State whether the following statements are true or false. Answer: (b) Yellow in acid and red in base. prepared slides. (b) A compound if acidic will turn all indicators red. It does not change the colour of litmus at all. True 7. Litmus turns red in acidic solutions and blue in basic solutions. (c) Lime water turns red litmus blue. Correct the false statements. D) Both statements 1 and 2 are false. (c) Lime … Why does turmeric turns red... chemistry. False. It is a man-made indicator. 1). Neutral substances do not bring about any change in colour of indicators. Curd : Which of them are placed under the wrong category? Answered By . The phenolphthalein indicator is not affected by the pH of the solution. Answer: (a) … (c) Lime water turns red litmus blue. View Answer. Watch learning videos, swipe through stories, and browse through concepts. True; False, it does not change the colour of litmus at all. Answer. 12. phosphate. 6. GENERAL PHYSICCAL PROPERTIES OF ACIDS 1. How is the … (e) Phenolphthalein is a natural indicator. A) Red B) Blue C) Orange D) Pink E) No Color. some indicators only … (c) Lime water turns red litmus blue. (e) Phenolphthalein is a natural indicator. False, it is acidic in nature. State whether each of the following is true or false: a) Phenolphthalein indicator is not affected by the pH of the solution. Correct the false statements (a) All substances are either acidic or basic. E) coal fired power plants. Vinegar : 5. For which of the following crystalline substances does the solubility in water increase upto 3 2 ∘ and then decrease rapidly? False, it does not change the colour of litmus at all. (f) Calamine can be used to treat ant’s sting. are used to view live or fresh specimens. 3. B) 2 and 6 done clear. Generally, it is available as red and blue litmus paper (Fig. View Answer; Q7 On adding phenolphthalein indicator to a colourless solution, no change is observed. Phenolphthalein definition is - a white or yellowish-white crystalline compound C20H14O4 used in analysis as an indicator because its solution is brilliant red in alkalies and is decolorized by acids and in medicine as a laxative. caffeine. Turmeric turns red in basic solution. (d) Common salt dissolved in water turns blue litmus red. (d) Common salt dissolved in water turns blue litmus red. (a) (b) Fig.1 (a) Lichens, … Answer: False, substances can be neutral as well. Antacid : 5. Concepts. C) cows. Ant sting and Nettle leaf sting. Lemon water is basic in nature. Acids have a sour taste and they are soapy to touch. Correct statement: Bases have a sour taste and they are soapy to touch. These metallic oxides are basic because they react … New questions in Chemistry. Get more … (a) All substances are either acidic or basic. Bases turn the yellow turmeric paper to red. Previous question Next question Transcribed Image Text from this Question. HARD. 2 See answers Erudite1 Erudite1 The correct option is B. Phenophtalein is an indicator that … It is colorless in the presence of an acid and pink in the presence of a base. (d) Tartaric acid - Tamarind. (e) Phenolphthalein is a natural indicator. (d) Common salt dissolved in water turns blue litmus red. It does not change the colour of litmus at all. Match the … Get More on Exemplar Solutions for Science NCERT Exemplar … Question 12. (g) Lemon water is basic in nature. red cabbage and radishes. (d) Common salt dissolved in water turns blue litmus red. Question: Match the substances in Column I with those in Column II. (c) Lime water turns red litmus blue. a. (g) Lemon water is basic in nature. (a) All substances are either acidic or basic. Explanation: Am smort. (d) Common salt dissolved in water turns blue litmus red. Phenolphthalein. Figure 1. pH indicators. D) termites. 5. phenolphthalein stays clear in what. Turmeric is also a natural indicator. 1 See answer beenthacoolestt is waiting for your help. Customize assignments and download PDF’s. Stories … (d) Common salt dissolved in water turns blue litmus red. False, acids do not turn all indicators red. Why does turmeric turns red on adding it to bases ?? (b) A compound if acidic will turn all indicators red. MEDIUM. The most commonly used natural indicator is litmus. (g) Lemon water is basic in nature. Litmus is a natural indicator. Most of the acids are soluble in water 4. A) 3 and 5 done clear. Column I: … two natural indicators are what. False, acids do not turn all indicators red. (a) All substances are either acidic or basic. Phenolphthalein content is potentially carcinogenic and mutagenic. Name one animal and one plant whose stings contain formic acid (or methanoic acid) Solution 11. 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