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Acidity - Practice Problems Video Lecture | Crash Course for IIT JAM Chemistry
FAQs on Acidity - Practice Problems Video Lecture - Crash Course for IIT JAM Chemistry
| 1. What is acidity in chemistry? |  |
Ans. Acidity in chemistry refers to the property of a substance to release hydrogen ions (H+) when dissolved in water. It is a measure of the concentration of acidic species in a solution.
| 2. What causes acidity in a substance? | |
Ans. Acidity in a substance is caused by the presence of acidic compounds or ions. These compounds or ions have the ability to donate protons (H+) when dissolved in water, resulting in an increase in the concentration of H+ ions and the acidity of the solution.
| 3. How is acidity measured in chemistry? | |
Ans. Acidity in chemistry is commonly measured using the pH scale. The pH scale ranges from 0 to 14, where a value of 7 represents neutrality, values below 7 indicate acidity, and values above 7 indicate alkalinity. The lower the pH value, the higher the acidity of the solution.
| 4. What are the effects of acidity on substances? | |
Ans. Acidity can have various effects on substances. In some cases, acidic substances can cause corrosion or damage to materials. In biological systems, changes in acidity can affect enzyme activity and cellular functions. Additionally, acidity can impact the taste and stability of food and beverages.
| 5. How can acidity be controlled or neutralized? | |
Ans. Acidity can be controlled or neutralized by adding basic substances, also known as alkalis, to the acidic solution. Alkalis can react with the acidic compounds or ions, resulting in the formation of water and a salt. Common examples of alkalis used to neutralize acidity include sodium hydroxide (NaOH) and calcium carbonate (CaCO3).
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Nov 08, 2024 Last updated |
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