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Class XI Chemistry Mole Concept Quiz 4

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Question 1

Number of molecules in 5ml each of CO2, NH3 and O2 at STP

Question 2

An artist drawn a picture using carbon pencil weighs 5 mg. What is the number of carbon atoms in the picture?

Question 3

The number of moles of carbon dioxide which contain 21.5 g of oxygen?

Question 4

Existence of fundamental particles violates

Question 5

12.4 g of NOx occupies 9.25 liters at STP. Assuming ideal gas behavior the value of x?

Question 6

Which of the following pair of elements represents a mole ratio of 1: 1?

Question 7

The correct value of Avogadro’s Number is

Question 8

Which of the following contain least number of molecules?
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