1 |
Which one of the following is the most penetrating?<br> |
- A. protons <br>
- B. electrons <br>
- C. neutrons<br>
- D. alpha paticles<br>
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2 |
The example of solid solute in gas solvent is |
- A. butter
- B. Sugar in water
- C. Smoke in air
- D. Opals
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3 |
____________ solids are arranged in 3 dimension. |
- A. Crystalline
- B. Amorphous
- C. Both
- D. None
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4 |
Which one of the following shell consists of three subshells?<br> |
- A. K- shell<br>
- B. M-Shell <br>
- C. L-shell<br>
- D. M-shell<br>
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5 |
Which one of the following is a galvanic cell? |
- A. Daniel cell
- B. Nelson's cell
- C. Down's cell
- D. Both B and C
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6 |
One atmospheric pressure is equal to how many pascals?<br> |
- A. 101325
- B. 10325
- C. 106075
- D. 10523
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7 |
Sodium - potassium alloy is used in nuclear reactor as a:<br> |
- A. catalyst <br>
- B. coolant <br>
- C. reactant <br>
- D. absorber<br>
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8 |
Deuterium is used to make:<br> |
- A. light water <br>
- B. heavy water<br>
- C. soft water<br>
- D. hard water<br>
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9 |
The 2nd and third periods are called |
- A. short period
- B. Normal period
- C. Long period
- D. Very long period
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10 |
Brine is an aqueous solution of |
- A. NaCI
- B. NaOH
- C. AgNO3
- D. CaO
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