Chemistry-Atoms & Molecules [NSO Level 1- Science Olympiad (SOF) Class 9]: Questions 11 - 20 of 113
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Question 11
Question 12
Question 13
Question MCQ▾
A sample of an oxide of nitrogen is found to contain nitrogen. What is its empirical formula?
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Question 14
Question 15
Question MCQ▾
If 1 g sulphur dioxide contains x molecules, what will be the number of molecules in of methane?
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Choice (4) | Response | |
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a. | molecules | |
b. | molecules | |
c. | molecules | |
d. | molecules |
Question 16
Question MCQ▾
The volume occupied by molecules of gas X at is ________.
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Question 17
Question 18
Question 19
Question MCQ▾
A gold statue contains of gold and the rest copper. How many atoms of gold are present in one gram of this statue of gold?
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Question 20
Question MCQ▾
What is the mass of one molecule of carbon dioxide?
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d. |