NEET > Chemistry Class 11 > Acids & Bases
Acids & Bases Video Lecture - Chemistry Class 11 - NEET
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FAQs on Acids & Bases Video Lecture - Chemistry Class 11 - NEET
| 1. What are acids and bases? |  |
Ans. Acids and bases are two types of substances that can be differentiated based on their chemical properties. Acids are substances that release hydrogen ions (H+) when dissolved in water, while bases are substances that release hydroxide ions (OH-) or accept hydrogen ions. Acids have a pH less than 7, while bases have a pH greater than 7.
| 2. How do acids and bases react with each other? | |
Ans. When an acid reacts with a base, they undergo a chemical reaction called neutralization. In this reaction, the acid donates its hydrogen ions to the base, forming water and a salt. The salt is a compound composed of the positive ion from the base and the negative ion from the acid.
| 3. What are some common examples of acids and bases? | |
Ans. Some common examples of acids include lemon juice (citric acid), vinegar (acetic acid), and stomach acid (hydrochloric acid). Common examples of bases include baking soda (sodium bicarbonate), antacids (calcium carbonate), and ammonia.
| 4. What is the pH scale used for? | |
Ans. The pH scale is used to measure the acidity or basicity of a substance. It ranges from 0 to 14, with 7 being neutral. Substances with a pH less than 7 are acidic, while substances with a pH greater than 7 are basic. The pH scale helps in determining the strength of acids and bases and allows for comparisons between different substances.
| 5. How are acids and bases used in everyday life? | |
Ans. Acids and bases have numerous everyday uses. Acids are used in cleaning products, such as vinegar for removing stains or rust, and lemon juice as a natural cleaner. Bases are used in various household products, such as baking soda for deodorizing or cleaning, and antacids for neutralizing excess stomach acid. Additionally, acids and bases are used in food preservation, manufacturing processes, and even in the human body for digestion.
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