Q - 1) What is Scientific method? Write the name of its four stages and describe them: Scientific Method: A specific method that is used to search for truth or facts. And: It is based on observation, hypothesis, theory and scientific laws . Observation: It is the basic tool for explaining a phenomenon but it may vary from person to person according to his skill. Hypothesis: The statement may be possible answer of the problems after observation. It is also the trail idea for accumulating of more knowledge or facts. Theory: It is the verified results by hypothesis, which is obtained with the help of careful experimentation. Scientific law: When a theory is tasted repeatedly and is found to fit according to facts, gave valued predictions is called Scientific law. Q - 2) Write down the contribution of Muslim scientists in the field of Chemistry: Jabir – ibne – Hayyan: (721 – 803 A.D.) He is known as the father of chemistry. í ...