Question

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Answer 1

Answer:

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Explanation:

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1. Both acids and bases are electrolytes which means that they're good conductors of electricity. Acids and bases both produce ions in water solution. Acids release hydrogen ions (H+) whereas Bases release hydroxide ions (OH-).
2. Universal indicator is the mixture of many pH testing solutions, it can test the solutions for acidic or basic properties

For example, "universal indicator" contains thymol blue, methyl red, bromothymol blue, thymol blue, and phenolphthalein. It covers a pH range from less than 3 (red) to greater than 11 (violet). Intermediate colors include orange/yellow (pH 3 to 6), green (pH 7 or neutral), and blue (pH 8 to 11).

3.Sodium hydroxide is used to manufacture soaps, rayon, paper, explosives, dyestuffs, and petroleum products. It is also used in processing cotton fabric, laundering and bleaching, metal cleaning and processing, oxide coating, electroplating, and electrolytic extracting.

1. Uses of Bleaching Powder
2. Uses of Bleaching PowderIt is used for bleaching dirty clothes in the laundry, as a bleaching agent for cotton and linen in the textile industry. It is a strong oxidizing agent hence used as an oxidizer in many industries. It is used as a disinfectant which is used for disinfecting water to make potable water.Chemical formula of Bleaching Powder is CaOCl2 and its Chemical name is Calcium Oxychloride. It is Prepared by Chlorine gas over dry slaked lime. Bleaching powder is an oxidizing agent.
3. Pure water or distilled water does not conduct electricity. In distilled water there are no impurities, there are no ions, there are only neutral (no charge) water molecules and these neutral molecules do not have charge, So, distilled water does not conduct electricity.
4. 1 - strongly acidic , 4 - weakly acidic , 7 - neutral ,9 weakly basic , 11 strongly basic
5. The pH value of milk is 6 since it is acidic in nature. When the milk is converted into curd due to the action of bacteria, lactic acid is formed which is more acidic in nature. Therefore the pH value of the milk is reduced as it turns to curd.
6. Washing soda is a chemical compound that can be used to remove stubborn stains from laundry and is an essential component in most homemade laundry detergent for powder, liquid, or single pod formulas. It is often used in commercial detergent mixtures as well to treat hard water.
7. Baking soda, also known as sodium bicarbonate, is widely used in baking. This is because it has leavening properties, meaning it causes dough to rise by producing carbon dioxide. Aside from cooking, baking soda has a variety of additional household uses and health benefits.
8. Plaster of Paris is used to make sculptures and metal castings used as decorative in buildings. It is also used in buildings to avoid fire hazards as Plaster of Paris is fire resistant. It is used as a coating on wood and metal structures to avoid any fire accidents.

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