answer the questions writ clearly thanks What is th of labor e procedure for dis
ID: 229630 • Letter: A
Question
answer the questions writ clearly thanks
What is th of labor e procedure for dispensing a solution from a la atory equipment with a small opening? (5 points) rge bottle into a bur a piece 2 lf an experim TruelF alse) (s ppiyany hazards, eye protection need not be won in lab 3. Eating, drinking and smoking are allowed in lab before and after the experimental work is 4. List 4 observations (signs) that indicate the occurrence of a chemical reaction (5 points) started or completed. (True/False) (5 points) 5. What is the oxidation number of C in the oxalate ion, C,0,2? 6 Describe a luminous flame. (5 points) 7. What is a precipitate? (5 points) 8. Convert 7.5 g to kg? .. mixture of CatnO,, and sodium carbonate, Na,CO, produces a white precipitate What is that precipitate? (5 points) 9 A mixture of calcium nitrate, Ca(NO) and sodium chloride, NaCI, does not react but aExplanation / Answer
1. The technique used for dispensing splusolu from a large bottle into a burette is called pouring.
A funnel is a laboratory glassware which has a small opening at the end and a circular top. The funnel is placed on top of the burette and the solution is poured into the burette. The liquid flows through the opening.
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