Unit 10 โ Acid, Base and Salts
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Unit 10 โ Acid, Base and Salts
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Question 1 of 20
1. Question
A base is a substance which neutralizes an acid. Which of these substances is not a base?
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Question 2 of 20
2. Question
Lewis acid-base concept have the following characteristics except:
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Question 3 of 20
3. Question
Acetic acid is used for:
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Question 4 of 20
4. Question
A salt is not composed of
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Question 5 of 20
5. Question
If a liquid has a pH of 7 then it must
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freeze at 0ยฐC and boils at 100ยฐ
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Question 6 of 20
6. Question
A salt always
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Question 7 of 20
7. Question
Dilute acids react with carbonates to produce the given products except:
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Question 8 of 20
8. Question
In the preparation of insoluble salts, which one of the facts is incorrect?
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Question 9 of 20
9. Question
A reaction between an acid and a base produces
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Question 10 of 20
10. Question
The conjugate acid of HPO-24 is:
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H3PO4
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Question 11 of 20
11. Question
What is the pOH of a 0.02 M Ca(OH)2?
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Question 12 of 20
12. Question
Which one of the following species is not amphoteric?
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Question 13 of 20
13. Question
The product of Lewis acid-base reaction is called adduct. The bond between the adduct specie is:
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Question 14 of 20
14. Question
The water of crystallization is responsible for the
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Question 15 of 20
15. Question
You want to dry a gas which one of the following salt you will use.
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Question 16 of 20
16. Question
Ferric hydroxide (Fe(OH)3 is precipitated out of solution when aqueous sodium hydroxide solution is added to ferric chloride (FeCl3)
FeCl3 (aq) + 3NaOH (aq) โ Fe (OH)3(s) + 3NaCl(aq)
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Question 17 of 20
17. Question
Which ion is the conjugate base of sulphuric acid?
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Question 18 of 20
18. Question
Which one of the following is a Lewis base?
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Question 19 of 20
19. Question
According to the Lewis concept, acid is a substance which can
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Question 20 of 20
20. Question
Given Kc = [H+] [OH–] = 1.0 x 10-14 at 25ยฐC. What is the concentration of H+ in Given K – pure water at 25ยฐC?
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