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psl.
Candidates will answer three questions only from each section , and must obtain 25 % of the marks in each section . A. 1. Find geometrically the relation between the sine and cosine of an angle ; and show that cos10 + 3 cos20 sin30 + 2 ...
Candidates will answer three questions only from each section , and must obtain 25 % of the marks in each section . A. 1. Find geometrically the relation between the sine and cosine of an angle ; and show that cos10 + 3 cos20 sin30 + 2 ...
psl.
( b ) Graph 3x - x2-2 , and show how to obtain from it the graph of 3x - x2 - 7 . 3. ( a ) The pressure of the wind on a plane area varies jointly as the area and the square of the velocity of the wind . If the pressure on one square ...
( b ) Graph 3x - x2-2 , and show how to obtain from it the graph of 3x - x2 - 7 . 3. ( a ) The pressure of the wind on a plane area varies jointly as the area and the square of the velocity of the wind . If the pressure on one square ...
psl.
( a ) What is the highest strength of alcohol that can be obtained by distillation of a mixture of alcohol and water ? Explain why this is the case . ( b ) How could you detect chlorine and hydrogen in chloroform ? 2.
( a ) What is the highest strength of alcohol that can be obtained by distillation of a mixture of alcohol and water ? Explain why this is the case . ( b ) How could you detect chlorine and hydrogen in chloroform ? 2.
psl.
How is malic acid obtained ? What is its relation to succinic acid and to tartaric acid as shown by structural formulae and by the reactions which change one of the acids to the other ? 3. A colourless liquid is given you which may be ...
How is malic acid obtained ? What is its relation to succinic acid and to tartaric acid as shown by structural formulae and by the reactions which change one of the acids to the other ? 3. A colourless liquid is given you which may be ...
psl.
Calculate the value in either case showing what is meant by the number obtained . Show what deductions can be made from the fact that the values in the two cases mentioned above are the same . 9. Draw a figure to represent the cooling ...
Calculate the value in either case showing what is meant by the number obtained . Show what deductions can be made from the fact that the values in the two cases mentioned above are the same . 9. Draw a figure to represent the cooling ...
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