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Infographics: Acids vs Bases

Infographics: Acids vs Bases

The document Infographics: Acids vs Bases is a part of the Class 10 Course Science Class 10.
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FAQs on Infographics: Acids vs Bases

1. What are the main differences between acids and bases?
Ans. Acids are substances that donate protons (H+) in a reaction, while bases are substances that accept protons. Acids typically have a sour taste, can conduct electricity, and turn blue litmus paper red. Bases, on the other hand, have a bitter taste, feel slippery, and turn red litmus paper blue. Additionally, acids usually have a pH less than 7, whereas bases have a pH greater than 7.
2. How do acids and bases affect the pH level of a solution?
Ans. The pH scale measures how acidic or basic a solution is, ranging from 0 to 14. Acids lower the pH of a solution (making it more acidic) by increasing the concentration of H+ ions. Conversely, bases raise the pH of a solution (making it more basic) by increasing the concentration of hydroxide ions (OH-). A pH of 7 is considered neutral.
3. Can you provide examples of common acids and bases found in everyday life?
Ans. Common acids include citric acid (found in citrus fruits), acetic acid (found in vinegar), and hydrochloric acid (found in stomach acid). Examples of common bases are sodium bicarbonate (baking soda), calcium hydroxide (lime), and ammonia (found in cleaning products). These substances are often used in cooking, cleaning, and various industrial processes.
4. What is the importance of the acid-base balance in the human body?
Ans. The acid-base balance is crucial for maintaining homeostasis in the human body. It ensures that the pH of bodily fluids remains within a narrow range, typically around 7.4 for blood. Proper pH levels are essential for enzyme function, oxygen transport, and overall metabolic processes. Imbalances can lead to conditions such as acidosis or alkalosis, which can be harmful.
5. How do neutralization reactions occur between acids and bases?
Ans. Neutralization is a chemical reaction where an acid reacts with a base to produce water and a salt. During this process, the H+ ions from the acid combine with the OH- ions from the base to form water (H2O). This reaction typically results in a solution that is closer to neutral (pH 7), demonstrating how acids and bases can counteract each other’s properties.
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