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 | |
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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 | |
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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 | |
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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 | |
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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) |
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(A) Salt | (i) HCl |
(B) Base | (ii) Baking Soda |
(C) Acid | (iii) NH4Cl |
Choices
Choice (4) | Response | |
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a. |
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b. |
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c. |
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d. | All of the above |
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