C) 4-6 minutes D) 6-8 minutes None of the E) above Explanation: From 2-4 minutes the temperature of the water is changing fastest. 4) What is the independent variable in the graph? A) Degrees C Amount of B) water Temperature of C) water Time of heating D) the None of the E) above Explanation: Time of heating the water is the independent variable in the graph above. This is the variable that is not being tested, the temperature of the water depends on the amount of time. 5) According to the scale, which of these substances is the strongest acid?
C) 4-6 minutes D) 6-8 minutes E) None of the above Explanation: From 2-4 minutes the temperature of the water is changing fastest. 4) What is the independent variable in the graph? A) Degrees C B) Amount of water C) Temperature of water D) Time of heating the E) None of the above Explanation: Time of heating the water is the independent variable in the graph above. This is the variable that is not being tested, the temperature of the water depends on the amount of time. 5) According to the scale, which of these substances is the strongest acid?