Chemistry > EXAM REVIEW > SCIN131 Week 1 quiz ALL ANSWERS 100% CORRECT AID GRADE ‘A’ (All)
Which of the following is a law? A.The universe began as a cosmic explosion called the Big Bang. B.A stone dropped from an altitude of 450 m falls to the ground in 9.6 s. C.A body in motion sta... ys in motion unless acted upon by force. D.The star closest to Earth is moving away from Earth at high speed. Question 2 of 25 4.0 Points The result of collisions between gas molecules and the surfaces around them is: A.mass B.temperature C.color D.pressure Question 3 of 25 4.0 Points Hydrogen is an example of: A.a molecule. B.a mixture. C.an atom. D.a bond. Question 4 of 25 4.0 Points Which scientist discovered penicillin? A.Feynman B.Fleming C.Dalton [Show More]
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