1 |
Water dissolves non-ionic compound by |
- A. Ion-ion forces
- B. Ion-dipole forces
- C. Dipole -dipole forces
- D. Hydrogen bonding.
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2 |
Industrial effluents are highly |
- A. Toxic organic compounds.
- B. Inorganic salts.
- C. Heavy metals
- D. All of them
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3 |
Cholera is caused by |
- A. Protozoa
- B. Virus
- C. Bacteria
- D. Fungi
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4 |
Temporary hardness of water is removed by adding. |
- A. Ca(OH)<sub>2</sub>
- B. NaOH
- C. KOH
- D. CaSO<sub>4</sub>
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5 |
Which one of the properties of water is responsible for rising of water plants?. |
- A. Specific heat capacity
- B. Surface tension
- C. Excellent solvent action
- D. Capillary action.
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6 |
Which one of the following diseases causes liver inflammation? |
- A. Typhoid
- B. Jaundice
- C. Cholera
- D. Hapatitis
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7 |
Which one of the following disease causes severe diarrhea and can be fatal: |
- A. Jaundic
- B. Dysentery
- C. Cholera
- D. Typhoid
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8 |
Which one of the following gases is used to destroy harmful bacteria in water. |
- A. Iodine
- B. Chlorine
- C. Fluorine
- D. Bromine
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9 |
Which of the following in soluble in water. |
- A. Organic acids
- B. Glucose
- C. Alcohal
- D. All of them
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10 |
The depletion of which gas results in the death of aquatic life. |
- A. Oxygen
- B. Carbon di oxide
- C. Boath of them
- D. Nome of them
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