1 Observations For each of the reactions you were given indi

1. Observations For each of the reactions you were given, indicate what chemicals are being mixed together and what your observations are. 1. Reaction #1:What chemicals areyou mixing? dro Ds Observations 2. Reaction #2 : What chemicals are you mixing? Observations: 3. Reaction #3: What chemicals are you mixing? Observations: an Reaction #4: what chemicals are you mixing? le me.pitateeromsak, bathman t\'e@fs cle.r

Solution

Three different observations that indicate a chenmical reaction has happened are

1. Change in temperature

2. Change in colour of solution

3. Formation of precipitate