Top 10 MCQs of Chemistry
In this tutorial, we will see top 10 MCQs of chemistry.
- The number of electrons in phosphorus is 15 and the valence electrons must be…
- Which of the following are fructose and glucose?
| A |
B |
C |
D |
| Oligosaccharides |
Polysaccharides |
Starch |
Monosaccharides |
- When hot molten liquid cools, then…
| A |
B |
C |
D |
| impure substances may also form crystals |
it turns into gas |
first crystals are most pure |
it turns into an aqueous solution |
- When hydrogen is added to an alkene, the process is called..
| A |
B |
C |
D |
| Dehydration |
Hydrogenation |
Dehydrohalogenation |
None of these |
- If we consider the universal indicators, red color shows…
| A |
B |
C |
D |
| strong alkalis |
weak acids |
weak bases |
strong acids |
- Considering the structure of DNA, each strand is made up of
| A |
B |
C
|
D |
| Phosphate unit |
Deoxyribose sugar |
Nitrogen base |
All of these |
- In the periodic table, valence electrons are indicated by…
| A |
B |
C |
D |
| Electron Number |
Group Number |
Period Number |
Atomic mass |
- Which of following is necessary for proper bone and tooth growth?
| A |
B |
C |
D |
| Vitamin D |
Vitamin C |
Vitamin A |
Vitamin B |
- OH– are…
| A |
B |
C |
D |
| corrosive |
turn litmus from red to blue |
turn litmus from blue to red |
non-metal oxides |
- Source of caproic acid is…
| A |
B |
C |
D |
| Palm oil |
Beef fat |
Butter |
Olive oil |
List of All MCQs of Chemistry: Click Here .
