Please do 2,3 and 4 6.2,3, and 4 only 6.2, 3, and 4 only 07.1,2,3, and 4 QUESTIO

Question

Please do 2,3 and 4 6.2,3, and 4 only 6.2, 3, and 4 only 07.1,2,3, and 4 QUESTION 2 0.5 points Save Answ True or False: Cleaning up spills on the balance is the reponsibility of the TA. O True O False QUESTION 3 05 points Save Answer True or False: During evaporation, t is important to turn down the temperature of the hotplate s the liuid level in the containe cecreasese to provent splattering. True False 1 points Save Answor QUESTION 4 Question Completion Status: Copper sulfate may be toxic and is an irritant alcohol is flammable, an irritant, and may be toxic. There are no known hazard for isopropyl alcohol. Calcium carbonate is an irritant and may be toxic. There are no known hazard for calcium carbonate. There are no known hazard for benzoic acid

Explanation / Answer

2) true

3) true

4) HCl, CuSO4, IsoPropyl alcohol and Benzoic acid are hazardous

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