Chemistry Test Preparations On Matter Part 2

Test Preparation on Chemistry Test Preparations On Matter Part 2

1.

The formula used to calculate the Partial pressure of a gas is?

1P(gas) = P X n(gas) X n(Total)
2P(gas) = P X n(Total) / n(gas)
3P(gas) = P X n(gas) / n(Total)
4P(gas) = n(gas) X n(Total) / P

2.

The Law which applies most commonly to the cases of a gas collected over water, is?

1Graham Law
2Dalton Law
3Avogadro Law
4Charles Law

3.

The pressure of moist gas is equal to?

1Pressure of dry gas
2Pressure of water vapours
3Sum of the pressure of dry gas and water vapour
4None of the above

4.

The rate of diffusion of CO & N2 are the same at room temperature because?

1Both are di atomic molecules
2Both have multiple bonds
3Both have Tone pair in them
4Both have same molecular masses

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