OTS Chemistry Mcqs Online Test 4

Asghar Niazi

OTS Chemistry Mcqs Online Test 4 Prepare Question Answers Start Below

At constant temperature the pressure of an ideal gas is doubled its density becomes?

Half .
Double
Same .
None

Correct!

Wrong!

0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same?

Value of a
Mass
. Atoms .
Both b and C

Correct!

Wrong!

In how many forms do matter exists?
 

Three
Four
. Five
Two

Correct!

Wrong!

The diffusion of gases at absolute zero will be?

Unchanged
Slightly decreased
Slightly increased
Zero

Correct!

Wrong!

Critical temperature for different gases is different and depends upon?

Size of molecule .
Shape of molecule
Intermolecular attractions
All of the above

Correct!

Wrong!

Which state of matter has the lowest density?
 .

Gas
Liquid
Solid
Plasma

Correct!

Wrong!

What do we call to sudden expansion of plasma?
 

Avogadros law
Grahams law of diffusion
Joule Thompson effect
Daltons law of partial pressure

Correct!

Wrong!

What is the abundant form of matter on earth?
 

Gas
Liquid .
Solid
Plasma

Correct!

Wrong!

What is the simplest form of matter?

Gas
Liquid
Solid
Semi solid

Correct!

Wrong!

Which of the following option is incorrect about gases?
 .

All molecules move with same speed
All molecules behave independently
PV / RT = n
All gases cannot be liquefied through Linds Method

Correct!

Wrong!

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