Table 2.1: Benedict's test for reducing sugar. Tube
Solution
Benedict's Color Reaction
Positive or Negative
2
3
4
2 ml onion juice
2 ml potato juice
2 ml sucrose solution
2 ml reducing sugar solution
2 ml starch solution
2 ml glucose solution
2 ml distilled water
5
6
7
Questions
1. Which of these solutions is the positive control (i. e., the one you know will be positive, even
before you run the test)?
2. Which of these solutions is the negative control (i. e., the one you know will be negative, even
before you run the test)?

Astudent completed a lab report. which correctly describes the difference between the “question” and “hypothesis” sections of her report? “question” states what she is asking, and “hypothesis” states the result of her experiment. “question” states what she is asking, and “hypothesis” states what she thinks the answer to that question is in “if . . then . . because” format. “question” describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. “question” describes what she is trying to find out, and “hypothesis” states any additional information or prior knowledge about the question.