A. Air
B. Mercury
C. Milk
D. Cement
Correct Answer:
Option B – Mercury
Explanation
A mixture is a material made up of two or more different chemical substances which are not chemically combined.
Mercury is a chemical element with the symbol Hg and atomic number 80.

![Water of mass 120g at 50°C is added to 200g of water at 10°C and the mixture is well stirred. Calculate the temperature of the mixture. [Neglect heat losses to the surrounding] Water of mass 120g at 50°C is added to 200g of water at 10°C and the mixture is well stirred. Calculate the temperature of the mixture. [Neglect heat losses to the surrounding]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png)