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Mindmap: Acids, Bases & Salts | Science Class 10

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FAQs on Mindmap: Acids, Bases & Salts - Science Class 10

1. What are acids and bases?
Ans. Acids are substances that release hydrogen ions (H+) when dissolved in water, while bases are substances that release hydroxide ions (OH-) when dissolved in water. Acids have a pH value less than 7, while bases have a pH value greater than 7.
2. How do acids and bases react with each other?
Ans. When an acid reacts with a base, they undergo a neutralization reaction. The hydrogen ions (H+) from the acid combine with the hydroxide ions (OH-) from the base to form water (H2O). The remaining ions from the acid and base combine to form a salt.
3. What are the properties of acids?
Ans. Acids have certain characteristic properties. They taste sour, turn blue litmus paper red, and have a pH value less than 7. Acids can also corrode metals, release hydrogen gas when reacted with metals, and conduct electricity when dissolved in water.
4. How are salts formed?
Ans. Salts are formed when acids react with bases or when acids react with certain metal compounds. During these reactions, the hydrogen ions (H+) from the acid are replaced by metal ions or ammonium ions, resulting in the formation of a salt and water.
5. What are some common examples of acids, bases, and salts?
Ans. Common examples of acids include acetic acid (found in vinegar), hydrochloric acid (found in stomach acid), and citric acid (found in citrus fruits). Examples of bases include sodium hydroxide (caustic soda) and ammonia. Some common salts include sodium chloride (table salt), calcium carbonate (chalk), and potassium nitrate (saltpeter).
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