Science and Technology · Science Pedagogy
A student dips red litmus paper into a slaked lime solution and records the following statements: A. The red litmus paper turns blue. B. Slaked lime is basic in nature. C. Red litmus paper turns blue when exposed to a base. Which of the following evaluations of these statements is correct?
- 1A and C are observations; B is an inference.
- 2A, B, and C are all observations.
- 3A is an observation; B and C are inferences.✓
- 4A and B are observations; C is an inference.
Correct answer
A is an observation; B and C are inferences.
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