NSO Level 1- Science Olympiad (SOF) Class 8: Questions 974 - 976 of 1178
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Question 974
Appeared in Year: 2012
Question MCQ▾
A cook makes a pudding as shown.
The pudding is placed in a very hot oven until the top of the egg whites turns brown. it is then removed from the oven. Why does the ice – cream stay cold?
Choices
Choice (4) | Response | |
---|---|---|
a. | The metal dish is a poor conductor of heat and stops the heat from reaching the ice cream. | |
b. | The metal dish is a good conductor of heat and conducts the heat away from the ice cream. | |
c. | Air is a poor conductor of heat and stops the heat from reaching the ice cream. | |
d. | Air is a good conductor of heat and conducts the heat away from the ice cream. |
Question 975
Question MCQ▾
Here are the details about some earthquakes occurred in the past. Select the most possible destructive one
Choices
Choice (4) | Response | |
---|---|---|
a. | 2017 Uttarakhand earthquake that recorded 5.1 on the Richter scale. | |
b. | 2005 Maharashtra earthquake that recorded 4.9 on the Richter scale. | |
c. | 2015 Nepal earthquake that recorded 8.1 on the Richter scale. | |
d. | 2001 Gujarat earthquake that recorded 7.7 on the Richter scale. |
Question 976
Question MCQ▾
Krishna needs a strong electrolyte. Which of the following would be the most suitable for her?
Choices
Choice (4) | Response | |
---|---|---|
a. | Sulphuric acid | |
b. | Nitrous acid | |
c. | Tap water | |
d. | Ascetic acid |