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"5 eggs" Multiply By "4 eggs" Is what ?:

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Posted by: Mr. Babatunde
« on: March 03, 2020, 11:04:31 AM »



[Chemistry 6] Acid , Base And Salt Quiz (Solutions)

1. What is common to both hydrochloric acid and trioxonitrate(V)acid ?

A. Both are used for fountain experiment
B. Both are monobasic ✔
C. Both are used to prepare hydrogen from zinc granules
D. Both attack rubber

2. H+(aq) + OH-(aq) ---- H2O(l)
The above equation represent.

A. Hydrolysis
B. Hydration
C. Neutralization ✔
D. Electron affinity

3. An oxonium ion is

A. H3O
B. H3O+ ✔
C. H3O-
D. H2O

4. Which pH value indicates a basic solution ?

A. -1
B. 0
C. 3
D. 9 ✔

5. All the following are monobasic except.

A. Hydrofluoric acid
B. Hydrochloric acid
C. Trioxonitrate(v) acid
D. Tetraoxosulphate(vi) acid ✔

6. Acid anhydride is the same as

A. Dry acid
B. Acid that increase its volume when exposed to air
C. Acid made by drying the reactants first
D. Acid made from oxides of non-metals ✔

7. pH of 0.001 m acid is

A. 2
B. 3 ✔
C. 4
D. 1

8. These are type of salt except

A. Normal salt
B. Acid salt
C. Basic salt
D. Drying salt ✔

9. A solution whose pH cannot be easily altered due to accidental addition of acid or base is called

A. Plasma
B. Annotated solution
C. Buffer solution ✔
D. Deionized water

10. Which of these is not a hygroscopic salt

A. Calcium oxide
B. Magnesium chloride ✔
C. Copper II oxide
D. Sodium trioxonitrate (V)

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