NSO Level 1- Science Olympiad (SOF) Class 9: Questions 632 - 637 of 1128
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Question 632
Question 633
Question
MCQ▾Which of the following organisms perform photosynthesis?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Fungi | |
b. | Plantae | |
c. | None of the above | |
d. | All of the above | |
Passage
Directions: The table shows the mass of different substances dissolved in 100g water to make a saturated solution at different temperatures. Depending on the data given below, answer questions below
| Substance dissolved | 10°C | 20°C | 30°C | 40°C | 50°C |
| Potassium Nitrate | 21 | 32 | 62 | 106 | 167 |
| Sodium Chloride | 36 | 36 | 36 | 37 | 37 |
| Potassium Chloride | 35 | 35 | 40 | 46 | 54 |
| Ammonium Chloride | 24 | 37 | 41 | 55 | 66 |
Question 634 (1 of 3 Based on Passage)
Question
MCQ▾Maulik cooled a saturated solution of Ammonium Chloride in 100g water at 50°C to 10°C . What will be his observation?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | The solution changed to solid state | |
b. | 54g salt is left behind | |
c. | No salt is left behind | |
d. | 42g salt is left behind | |
Question 635 (2 of 3 Based on Passage)
Question
MCQ▾Reena wants to make a saturated solution of Potassium nitrate at 30°C . How much salt should be dissolved in 50 g of water.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 32 g | |
b. | 62 g | |
c. | 31 g | |
d. | 42 g | |
Question 636 (3 of 3 Based on Passage)
Question
MCQ▾The solubility of which salt does not change much with temperature.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Ammonium Chloride | |
b. | Potassium Nitrate | |
c. | Potassium Chloride | |
d. | Sodium Chloride | |
Question 637
Question
MCQ▾The Rabi season is from
Choices
| Choice (4) | Response | |
|---|---|---|
a. | June to October | |
b. | November to April | |
c. | April to June | |
d. | May to December | |