Part 5.,Exercise,(Acid,base and salts), (Science,class10,chapter2)

Описание: Unlock the secrets of Acids, Bases, and Salts with this ultimate science exercises video! 💡 Whether preparing for your school exam or just curious about amazing chemistry reactions, this video brings you easy explanations and real examples from Class 7/10 Science.🔹
What you’ll get:Complete solutions to textbook exercises on acids, bases, and salts
list all question and heading

#Heading
Unit: Acids, Bases and Salts
Exercises

#Questions
1. A solution turns red litmus blue, its pH is likely?
2. A solution reacts with crushed egg-shells to give a gas that turns lime-water milky. The solution contains?
3. If 10 mL of solution A is neutralized by 8 mL of NaOH solution and found completely neutralized, how much HCl solution is required to neutralize 20 mL of the same NaOH solution?
4. Which one of the following types of medicines is used for treating indigestion? (Options: Antibiotic, Analgesic, Antacid, Antiseptic)
5. Write word equations and balanced equations for reactions when:
(a) dilute Sulphuric acid reacts with Zinc granules
(b) dilute Hydrochloric acid reacts with magnesium ribbon
(c) dilute Sulphuric acid reacts with aluminium powder
(d) dilute Hydrochloric acid reacts with iron filings
6. Compounds such as alcohols and glucose also contain hydrogen but are not categorized as acids. Describe an activity to prove it.
7. Why does distilled water not conduct electricity whereas rainwater does?
8. Why do acids not show acidic behavior in the absence of water?
9. Five solutions A, B, C, D, and E show different pH values. Identify which is neutral, strongly alkaline, strongly acidic, weakly acidic, and weakly alkaline.
10. Equal lengths of magnesium ribbons are taken in test tubes. Hydrochloric acid is added to one and acetic acid to the other. In which test tube will fizzing occur more vigorously and why?

11. Fresh milk has pH 6. How will the pH change as it turns into curd?
12. A milkman adds a small amount of baking soda to fresh milk. Why does it shift the pH to slightly alkaline, and why does this milk take longer to set as curd?
13. Why should Plaster of Paris be stored in a moisture-proof container?
14. What is a neutralization reaction? Give two examples.
15. Give two important uses of washing soda and baking soda.

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