GSC101 General Science Assignment No 02 Solution & Discussion June 2016

[+ M.Tariq Malik]

GSC101 General Science Assignment No 02 Solution & Discussion June 2016

Question No. 1                                           How it is possible that a ray of light passes from a medium A to medium B without any change indirection?Explain your answer.

                                                                                                                                   Marks = 3

Question No. 2                                           A tank truck was filled with 45,725 L of gasoline in Peshawar where the temperature was 28.0°C. The gasoline was delivered to Swat where the temperature was -12°C. Volume expansion coefficient of Gasoline is 950×10-6 °C-1.

a)      Find out the amount of gasoline delivered in litres   

b)      Infer the volume of the gasoline due to changed temperature

Marks =4+3=7

Question No. 3                                           What are different types of chemical reactions? Explain with examples.

                                                                                                                                   Marks = 5

Question No. 4                                           How can you distinguish between a chemical change and physical change? Explain with suitable examples from your daily life.

                                                                                                                                   Marks = 5

[+ M.Tariq Malik]

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[kulsoom]

Assalamualaikum

anyone please can help me with the first and second question please..i am stuck in both those questions..please