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Acids Bases and Salts Class 10 Important Questions with 12 May 2023 · This is because NaOH is a base and it reacts with the remaining HCl, neutralizing it and restoring the pink color of the phenolphthalein. Phenolphthalein acts as an acid-base …
2. Turmeric and litmus are.....acid base indicators.3. 27 Jun 2019 · Phenolphthalein gives colourless colour with lime water . Explanation: (Turmeric and litmus are natural acid base indicators.) As They are natural as they are made up of …
what will be the colour of the solution if phenolphthelein is added … 11 Oct 2023 · If phenolphthalein is added to a Magnesium Hydroxide solution, the color of the solution will remain colorless or transparent. Phenolphthalein is an indicator that is commonly …
When phenolphthalein is added to NaOH solution, the colour 14 Feb 2023 · When phenolphthalein is added to NaOH (sodium hydroxide) solution, the color changes from colorless to pink. Phenolphthalein is a pH indicator which is commonly used to …
Question 2 The colour change observed when the solution of 13 Sep 2021 · The colour change observed when the solution of magnesium hydroxide is tested with the following indicators is phenolphthalein turns colourless to pink. What is …
Turmeric and phenolphthalein of lemon juice - Brainly.in 9 Jul 2024 · Answer: Turmeric and phenolphthalein are both acid-base indicators, but they have different properties and uses. - Turmeric: - Contains a yellow pigment called curcumin - Turns …
How to make phenolphthalein indicator - Brainly.in 14 Jun 2024 · How to make phenolphthalein indicator - 60590502Explanation: A simple way to make phenolphthalein indicator is to mix 1 gram of phenolphthalein powder with 100 milliliters …
Definition of phenolphthalein for class 7 in science chapter 20 Jul 2024 · Here's a short answer for Class 7 Science Chapter 4: Phenolphthalein: Phenolphthalein is a chemical indicator used to test whether a substance is acidic or basic …
Which of the following solution will turn phenolphthalein Pink? 22 Nov 2020 · The addition of phenolphthalein to a basic solution will turn it pink due to the formation of phenolphthalein ions. As KOH (potassium hydroxide) is a base, the addition of …
A teacher demonstrated the usefulness of an indicator for testing ... 9 Jul 2024 · Answer: The suitable indicator for testing acidity or basicity of a solution is litmus. Litmus is a natural indicator derived from a type of lichen. It turns red in the presence of an …