NSO Level 1- Science Olympiad (SOF) Class 7: Questions 175 - 179 of 593
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Question number: 175
» Heat
Question
Which of the following packaging is most suitable to carry ice for longer distances?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Thermocole |
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| b. | Sawdust. |
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| c. | Sand |
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| d. | Ice paper |
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Question number: 176
» Physical and Chemical Changes
Question
The ability or inability of a matter to undergo in the transitional change between different states in which the given matter can exist is due to change in which of the following characteristic property?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Physical property |
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| b. | Physical change. |
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| c. | Chemical property |
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| d. | Chemical change |
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Question number: 177
Question
Which of the following is a property of acid?
Image Shows the Acid
Image shows the acid
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | It tastes bitter. |
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| b. | It turns red litmus paper to blue. |
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| c. | It turns blue litmus paper to red. |
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| d. | None of the above |
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Question number: 178
» Heat
Question
Clinical thermometer has which of the following range of temperature?
Clinical Thermometer
Clinical thermometer
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | -10o C – 110o C |
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| b. | 10o C – 100o C |
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| c. | 42o C – 110o C |
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| d. | 35o – 42o C |
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Question number: 179
Question
Match the Column I & Column II by selecting the correct option?
| List-Ⅰ (Column I) | List-Ⅱ (Column II) |
|---|---|
| (A) Salt | (i) HCl |
| (B) Base | (ii) Baking Soda |
| (C) Acid | (iii) NH4Cl |
Choices
| Choice (4) | Response | |
|---|---|---|
| ||
| a. |
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| b. |
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| c. |
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| d. | All of the above |
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