Punjab 9th Class Chemistry Chapter 1 Fundamentals of Chemistry Mcqs Test Online
Questions 10
Total Marks 20
Time 10 Mins
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Punjab 9th Class Chemistry Chapter 1 Fundamentals of Chemistry Mcqs Test Online

Punjab 9th Class Chemistry Chapter 1 Fundamentals of Chemistry Class 9th Punjab

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Chemistry

1. The electron configuration of an element is 1s²2s². An atom of this element will form an ion that will have charge.

 
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2. What is the mass of carbon present in 44g of carbon dioxide.

 
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3. A compound with chemical formula Na₂CX₃ has formula mass 106amu. Atomic mass of the element X is

 
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4. How many moles of molecules are there in 16g oxygen.

 
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5. The diagrams below represent particles in four substances, which box represent the particles in nitrogen.

Chemistry 01
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6. What is the mass of 4 moles of hydrogen gas.

 
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7. If one mole of carbon contains x atoms, what is the number of atoms contained in 12g of Mg.

 
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8. What is the formula mass of CuSO₄.5H₂O. (Atomic masses: Cu = 63.5, S = 32, O = 16, H = 1)

 
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9. Which of the following lists contains only elements?

 
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10. Which term is the same for one mole of oxygen and one mole of water?

 
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