Chemistry Mcqs Online Test 8

What is the abundant form of matter on earth?
 

What is the simplest form of matter?

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

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

What do we call to sudden expansion of plasma?
 

Which state of matter has the lowest density?
 .

In how many forms do matter exists?
 

Which of the following option is incorrect about gases?
 .

The diffusion of gases at absolute zero will be?

Critical temperature for different gases is different and depends upon?