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CBSE Class 9 Chemistry Atoms and Molecules (Easy)
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Question 1 of 10
1. Question
Which of the following statements is not true about an atom?
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Question 2 of 10
2. Question
\(
1 \mathrm{u} \text { or } 1 \text { amu means }
\)Correct
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Question 3 of 10
3. Question
The molecular formula of potassium nitrate is ________.
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Question 4 of 10
4. Question
Molecular mass is defined as the:
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Question 5 of 10
5. Question
\(
\text { The atomic mass of sodium is } 23 \text { . The number of moles in } 46 \mathrm{~g} \text { of sodium is }
\)Correct
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Question 6 of 10
6. Question
Which of the following represents a correct chemical formula?
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Question 7 of 10
7. Question
Which of the following is not a postulate of Daltons atomic theory:
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Question 8 of 10
8. Question
“a. Oxygen: diatomic
b. Ozone :_______”Correct
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Question 9 of 10
9. Question
Identify the correct symbol of gold:
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Question 10 of 10
10. Question
The combining capacity of an element is called
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