1. Chloe is studying the neutralization reaction. She knows that when an acid reacts with a base, salt and water are formed. What is the salt formed when hydrochloric acid reacts with sodium hydroxide?
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Chapter 10: Acids, Bases and Salts
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2. Ibrahim is studying the properties of bases. He knows that bases turn red litmus paper blue. What is the color of red litmus paper in a solution of sodium hydroxide?
3. Ming is studying the Arrhenius concept. He knows that a base produces OH- ions in water. Which of the following is a base according to Arrhenius?
4. Which base is used as antacid?
5. Which acid is present in lemon?
6. Oliver is studying weak acids. He knows that weak acids have low ionization in water. Which of the following is a weak acid?
7. Ahmed is studying the properties of acids. He knows that acids produce hydrogen ions (H+) when dissolved in water. According to the Arrhenius concept, which of the following is an acid?
8. Zara is studying the characteristic properties of acids. She knows that acids have a sour taste and turn blue litmus red. What is the pH of a typical acid solution?
9. Which substance is amphoteric?
10. Waseem is learning about oxides. He knows that oxides can be acidic, basic, amphoteric, or neutral. Which of the following is an example of a neutral oxide?
11. Fatima is studying strong acids. She knows that strong acids completely ionize in water. Which of the following is a strong acid?
12. Which of the following is an acidic oxide?
13. Which base is also known as caustic soda?
14. Which substance is a strong base?
15. Xia is studying the neutralization reaction. She knows that in a neutralization reaction, an acid and a base react to form salt and water. What is the salt formed when nitric acid reacts with calcium hydroxide?
16. Rachel is studying the strength of bases. She knows that weak bases partially ionize in water. Which of the following is a weak base?
17. Uma is studying strong and weak acids. She knows that strong acids are better conductors of electricity than weak acids. Which of the following is a strong acid?
18. Which acid reacts with metals to produce hydrogen gas?
19. Khalid is studying the properties of bases. He knows that bases turn red litmus paper blue. What color does sodium hydroxide solution turn red litmus paper?
20. According to Arrhenius, an acid is a substance that produces:
21. Quinn is learning about alkalis. He knows that all alkalis are bases, but not all bases are alkalis. Which of the following is a base but not an alkali?
22. David is studying the Bronsted-Lowry concept. In the reaction: NH3 + H2O → NH4+ + OH-, what is the base?
23. Patricia is studying the Bronsted-Lowry concept. She knows that a conjugate acid is formed when a base accepts a proton. In the reaction: NH3 + H2O → NH4+ + OH-, what is the conjugate acid?
24. According to Bronsted–Lowry theory, a base is a:
25. Which base is commonly used in soap making?
26. A solution with pH value 7 is:
27. Fatima is studying strong and weak bases. She knows that strong bases completely dissociate in water. Which of the following is a strong base?
28. Tina is studying the properties of bases. She knows that bases react with ammonium salts to release ammonia gas. What gas is released when sodium hydroxide reacts with ammonium chloride?
29. Self-ionization of water produces:
30. Which acid is used in fertilizers?