Question

Carbon dioxide gas is prepared in the laboratory. Which one involves an interpretation of the data rather than an observation?

• A. No liquid was transfered from the reaction bottle to the beaker
• B. The quatity of solid minerals decreased
• C. The cloudiness in the last bottle of limewater was caused by the product of the reaction of the colorless gas and the limewater
• D. The bubbles of gas rising from the mineral remained colorless throughout the experiment
• E. There was a $4^o$C rise in temperature in the reaction vessel during the experiment

Answer 1

The correct option is C The cloudiness in the last bottle of limewater was caused by the product of the reaction of the colorless gas and the limewater

Option $\left(C\right)$ is correct.

All the other statements represent observations because they merely record what was seen.