1 |
conjugate base of HCl is: |
HCl<sup>-</sup>
CH
Cl
NH<sub>3</sub>
|
2 |
A base is a substance which neutralizes an acid which of these substances is not a base? |
Aqueous ammonia
Sodium chloride
Sodium Hydroxide
Calcium Hydroxide
|
3 |
___________ is not an acid: |
HCl
NH<sub>3</sub>
H<sub>2</sub>CO<sub>3</sub>
H<sub>2</sub>SO<sub>4</sub>
|
4 |
Arrhenius put forward acid base concept in. |
1878
1786
1787
1790
|
5 |
Word "acid" derived from: |
Urdu
English
Latin
Greek
|
6 |
Which base is more corrosive? |
NH<sub>4</sub>OH
NaOH
Ca(OH)<sub>2</sub>
AL(OH)<sub>2</sub>
|
7 |
Bases gave taste: |
Bitter
Sweetsh
Sour
Saltish
|
8 |
Acids have taste |
Bitter
Seetish
Sour
Saltish
|
9 |
The colour of litmus paper in strong acidic solution. |
Red
Blue
Yellow
Colourless
|
10 |
The meaning of latin word acidus is. |
Sweet
Tasteless
Salty
Sour
|
11 |
Acids turn |
Blue litmus red
Red litmus blue
Blue litmus green
Blue litmus blue
|
12 |
The reaction will attain the equilibrium if: |
Qc<Kc
Qc > Kc
Qc = Kc
Qc = 0
|