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Read the following and answer the questions: acid–base indicators can be used to distinguish between an acid and a base. Universal Indicator, which is a mixture of several indicators, shows different colours at different concentrations of hydrogen ions in a solution. Solution A turns universal indicator blue to purple whereas solution B turns universal indicator orange to red. i. What will be the action of solution A on litmus?a) Red b)blue c)green d) yellow ii. What will be the action of solution B on litmus?a) Red b)blue c)green d) yellow iii. What sort of reaction takes place when solution A reacts with solution B?a) Combination b)Displacement c)Decomposition d)Neutralisation iv. A substance which can give solution like A is:a) Sodium hydroxide b) Magnesium chloride c) Hydrochloric acid d) Nitric acid v. A substance which can give solution like B is:a) Calcium hydroxide b) Magnesium sulphate c) Hydrochloric acid d) Sodium carbonate |
Answer» <html><body><p>a/ blueb/red3/ <a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> <a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a> turns universal indicator orange to red so it is acidic in nature and will <a href="https://interviewquestions.tuteehub.com/tag/turn-1429043" style="font-weight:bold;" target="_blank" title="Click to know more about TURN">TURN</a> <a href="https://interviewquestions.tuteehub.com/tag/litmus-543183" style="font-weight:bold;" target="_blank" title="Click to know more about LITMUS">LITMUS</a> red.</p></body></html> | |