| 1 |
Sum of PH and POH of a solution is: |
7
14
16
18
|
| 2 |
Water is a; |
strong electrolyte
non-electrolyte
weak electrolyte
natural compound
|
| 3 |
Which acid is found in sour milk? |
`Formic acid
Lacitc acid
Citric acid
Butric acid
|
| 4 |
Which of one the following is Lewis base? |
BF3
H+
NH3
Ag+
|
| 5 |
The product of any Lewis acid-base reaction is a single specie called: |
free radical
adduct
molecular ion
conjugate
|
| 6 |
Which one is not a characteristic of an acid: |
it turns red litmus blue
it reacts with base to form salt and water
Its aqueous solution conduct electric current
it has sour taste
|
| 7 |
All water soluble metallic oxides have characteristic of: |
acidic
basic
neutral
amphoteric
|
| 8 |
Latin word 'Acidus' means: |
sweet
salty
sour
bitter
|
| 9 |
Binary compounds of oxygen such as CO2 and SO2 were names as acids by; |
Jabir Bin Hayan
Lavoisier
Al- Jahiz
Sir Humphrey Davy
|
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