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1. French and Indian War – There had been these wars fought by the British to show dominance over their enemies in the aspect of colonization. The enemies of the British had been the French settlers w...

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The new thing that I have learned is the storage process of excess protein. Judging by all the protein bars, shakes and powders out there, we get the impression that we need more protein for better bo...

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Physical & Chemical Changes Pre-Lab Questions

Physical & Chemical Changes Pre-Lab Questions

Q • Question 1 0.5 out of 0.5 points What should be worn in a laboratory at all times to decrease the likelihood of eye injury? • Question 2 0.5 out of 0.5 points Is the rusting of iron a physical or chemical change? • Question 3 0.5 out of 0.5 points What is the relation between the masses of the reactants and products in a chemical reaction according to the Law of Conservation of Mass? • Question 4 0.5 out of 0.5 points Is sugar disollving in water a physical or chemical change?

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1.Selected Answer: C. Safety Glasses 2.Selected Answer: Chemical change 3.Selected Answer: The mass of the reactants equals the mass of the products.