Chemistry Mcqs Online Test 8

In how many forms do matter exists?
 

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

Which of the following option is incorrect about gases?
 .

Which state of matter has the lowest density?
 .

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

What is the simplest form of matter?

Critical temperature for different gases is different and depends upon?

What do we call to sudden expansion of plasma?
 

The diffusion of gases at absolute zero will be?

What is the abundant form of matter on earth?