1 |
A substance which can behave as an acid as well as a base is called. |
Acid
Base
Amphoteric
Neutral
|
2 |
A conjugate base is a specie formed by donating a. |
Proton
Electron pair
Neutron
Electron
|
3 |
According to Bronsted and Lowry concept a base is a substance that can accept. |
Proton
Electron pair
Neutron
Electron
|
4 |
A conjugate acid is a specie formed by accepting a. |
Proton
Electron pair
Neutron
Electron
|
5 |
According to Bronsted and Lowry concept an acid is a substance that can donate. |
Proton
Electron pair
Neutron
Electron
|
6 |
Bronsted and Lowry presented their theories of acids and bases in |
1785
1787
1923
1925
|
7 |
Which one is not an Arrhenius base? |
NaOH
KOH
Ca(OH)<sub>2</sub>
NH<sub>3</sub>
|
8 |
|Which one is not an Arrhenius acid? |
HCl
H2SO<sub>4</sub>
CO<sub>2</sub>
HNO<sub>3</sub>
|
9 |
According to Arrhenius concept acid is a substance which dissociates in aqueous solution to give. |
Hydrogen ions
Hydroxide ions
Both a and b
None of these
|
10 |
Arrhenius presented his concept about acids and bases in. |
1785
1787
1923
1930
|
11 |
All bases turn red litmus |
Red
Blue
Pink
White
|
12 |
All acids turn blue litmus. |
Red
Blue
Pinck
White
|