Salt solution is homogeneous mixture. Give reason​

because mixed particles are invisible in this mixture.

salt solution is homogeneous mixture .

a homogeneous mixture is a mixture in which the composition is uniform throughout the mixture . The salt water is homogenous mixture because the dissolved salt is evenly distributed throughout the nature salt water sample .

c. heat could easily travel through the molecules in the air and escape/enter the flask. removing the air slows down the heat transfer.  

bcde is the incorrect answer it is a