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Obviously it depends on the subject that you are applying for but usually they would start off with a challenging yet well-known problem in the field. From there they will probe you in order to see where ...

x=300 because when you draw a y=cos x graph the cos 60 is on the decreasing part of the curve just before 90 degrees crossing zero. Then at 270 its increasing again and its 30 degrees more.

• A receptor detects a change in stimuli e.g. eye detects light - An effector carries out a response e.g. muscle

You would add barium chloride solution to the sample to be tested. Group II sulfate solubility decreases down the group - with barium sulfate being insoluble. We would expect to see a heavy white precipit...

This is a very common and vital question asked by students. The answer to this is being prepared. You can do this through a variety of steps. From personal experience I can tell you what works and what do...