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Calculate value of general gas constant in S.I Unit.

Hydrogen and Helium are ideal at room temperature but SO_2 and Cl_2 are non – ideal. Why?

Define thermometry. Name the scale and device used for thermometry?

Write the name of fourth state of matter? How can it be obtained?

How Dalton law of partial pressure is useful in determining pressure of gas collected over water?

Define SP3hybridization? Give one example

What do you mean by term electron affinity and also give one example?

Write the structure of NH_3 acceding to VSEPR Theory?