1.

When a bit of baking soda is added to vinegar in a test-tube, a hissing sound is heard and several bubbles occur. The test tube is closed and attached by a glass tube to another test tube containing lime water. The limewater slowly turns milky in the process. This is shown in the following experimental setup.Which of the following cannot be considered indicators of a chemical reaction in this experiment?(a)Occurrence of a hissing sound (b)The formation of several bubbles (c) The change in colour of liquid in tube 2 (d)The movement of gas between the test tubes​

Answer»

Answer:

Explanation: When vinegar REACT with sodium BICARBONATE it RESULTS in formation of sodium acetate,WATER & EVOLUTION of CO2 gas. This CO2 evolution is the reason for hissing sound and bubble formation.13



Discussion

No Comment Found

Related InterviewSolutions