UNICAL Chemistry 2007/2008 Past Questions

________________ are allotropes of carbon.

A substance is said to be hygroscopic if it ___________________

CH₃CO₂H + CH₃CH₂OH → ?the functional group under and in the equation is a/an _______ group

The gas equation: $$\frac{P_{1}V_{1}}{T_{1}} = \frac{P_{2}V_{2}}{T_{2}}$$ is made up of Charles law and _______ Law

The acid in butter is called ______ acid

The oxidation state of calcium in CaCl₂ is __________

The mass number of an atom of an element is the sum of its

The existence of two or more forms of the same element is the same physical state is known as

In which of the following are radioactive isotopes used?

The phenomenon observed when dust particles collide randomly in a beam of sunlight is known as