Chemistry [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 95 - 103 of 208

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Question 95

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MCQ▾

Calculate the weight of moles of .

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Choice (4)Response

a.

b.

c.

d.

Question 96

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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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molecules

b.

molecules

c.

molecules

d.

molecules

Question 97

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MCQ▾

The volume occupied by molecules of gas X at is ________.

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a.

b.

c.

d.

Question 98

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MCQ▾

How many number of neutrons are present in ?

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b.

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d.

Question 99

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MCQ▾

grams of water contains ________ moles

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d.

Question 100

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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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Choice (4)Response

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b.

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d.

Question 101

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What is the mass of one molecule of carbon dioxide?

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d.

Question 102

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MCQ▾

At which temperature and pressure conditions is the behavior of a real gas closest to that of an ideal gas?

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Question 103

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MCQ▾

What is the mass of of Methane?

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Choice (4)Response

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d.