Chemistry Mcqs Online Test 8

Which state of matter has the lowest density?
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0.5 mole of nitrogen gas and 0.5 mole of carbon monoxide gas at STP have same?

What is the simplest form of matter?

The diffusion of gases at absolute zero will be?

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

Which of the following option is incorrect about gases?
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What do we call to sudden expansion of plasma?
 

Critical temperature for different gases is different and depends upon?

What is the abundant form of matter on earth?
 

In how many forms do matter exists?