1 |
Acidic solutions have pH value. |
Less than 7
Greater than 7
equal to 7
None of these
|
2 |
pH of neutral solution is always. |
6
5
7
10
|
3 |
pH value normally varies from. |
0-14
1-14
7-14
10-14
|
4 |
The value of constant of ionic product of water Kw at 25 C. |
1.0 x 10<sup>-4</sup>
1.0 x 10<sup>14</sup>
1.0 x 10<sup>-4</sup>
1.0 x 10<sup>4</sup>
|
5 |
Which is used to remove the grease stains from clothes? |
NaOH
KOH
Al(OH)<sub>3</sub>
NH<sub>4</sub>OH
|
6 |
Which one is used for alkaline batteries? |
NaOH
Ca(OH)<sub>2</sub>
KOH
Mg(OH)<sub>2</sub>
|
7 |
Which is used to manufacture of soap? |
NaOH
Ca(OH)<sub>2</sub>
KOH
Mg(OH)<sub>2</sub>
|
8 |
Alkalis react with ammonium salt to liberate. |
SO<sub>2</sub>
CO<sub>2</sub>
NH<sub>3</sub>
H<sub>2</sub>
|
9 |
Stearic acid present in |
Apple
Fats
Urine
Grapes
|
10 |
Uric Acid is present in |
Apple
Fats
Urine
Grapes
|
11 |
Mallic acid is present in |
Apple
Feats
String of bees
Urine
|
12 |
Formic acid is present in |
String of bees
Sour milk
Apple
Fats
|