1 |
Which of the following is reducing sugar? |
Glucose
Maltose
Sucrose
Starch
|
2 |
Photosynthesis process produce. |
Carbondioxide
Glucose and oxygen
Carbon di oxide
glucose and carbondoxide
|
3 |
Plants produces by the photosynthesis process. |
Glucose
Fructose
Sucrose
Maltose
|
4 |
Which one of the following is crystalline solid. |
Glucose
Starch
Cellulose
Glycogen
|
5 |
General formula of carbohydrates is. |
C<sub>n</sub>(H<sub>2</sub>O)<sub>6</sub>
C<sub>n</sub>(H<sub>2</sub>O<sub>2</sub>)<sub>6</sub>
C<sub>n</sub>(H<sub>3</sub>O)<sub>6</sub>
C<sub>n</sub>(H<sub>2</sub>O<sub>3</sub>)<sub>6</sub>
|
6 |
Alkynes are also called. |
Olefine
Ethene
Paraffins
Acetylenes
|
7 |
Boiling point of alcohol in centigrade is. |
68
78
118
128
|
8 |
Dehalogenation of Tetrahalides takes place in the presence of . |
K
Mg
Na
Zn dust
|
9 |
Dehydrohalogenation of vicinal-dihalides take place in the presence of. |
NaOH
KOH
NaCl
None of these
|
10 |
How trace amount of acetylene present in the coat gas. |
0.06%
0.07%
0.08%
0.09%
|
11 |
The end product of oxidation of acetylene is. |
Propen glycol
Ethan glycol
Glyoxal
Oxalic acid
|
12 |
Ethyne is oxidized by alkaline KMnO4 then ....... hydroxyl group add to the triple bond. |
Two
Three
Four
Five
|