Cl2(aq) + 2Br(aq)→ 2Cr(aq)+ Br2(aq) which is an oxidizing agent and which is a reducing agent

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

Amixture with the same composition throughout is!

Which of these is a physical property