| 1 |
When acid react with carbonates and bicarbonates which gas is evolved? |
- A. H2
- B. CO<sub>2</sub>
- C. Cl<sub>2</sub>
- D. N<sub>2</sub>
|
| 2 |
Which part of digestive system glucose absorb. |
- A. Stomach
- B. Liver
- C. Small intestine
- D. Large intestine.
|
| 3 |
The reaction in which the products can recombine to form reactants are called. |
- A. Reversible reaction
- B. Irreversible reaction
- C. Decomposition
- D. Addition
|
| 4 |
Aromatic compounds are given this name because of; |
- A. smell they have
- B. slippery touch they have
- C. bitter taste they have
- D. sour taste they have
|
| 5 |
Which chemical is called king of chemicals? |
- A. KNO<sub>3</sub>
- B. H<sub>2</sub>SO<sub>4</sub>
- C. HCl
- D. NHO<sub>3</sub>
|
| 6 |
Which one is heterocyclic compound? |
- A. Benzene
- B. Cyclobutane
- C. Thiophene
- D. Nephthalene
|
| 7 |
At equilibrium state, when reaction cases to proceed, it is called: |
- A. equilibrium constant
- B. dynamic equilibrium
- C. static equilibrium
- D. simple equilibrium
|
| 8 |
Acids have taste |
- A. Bitter
- B. Seetish
- C. Sour
- D. Saltish
|
| 9 |
One H<sub>2</sub>O molecule can form hydrogen bonding with how many other H<sub>2</sub>O molecules? |
- A. One
- B. Two
- C. Three
- D. Four
|
| 10 |
Which one of the following gases is used to destroy harmful bacteria in water. |
- A. Iodine
- B. Chlorine
- C. Fluorine
- D. Bromine
|
