Q. Which of the following is/are correct for solutions?

1. A solution is a heterogeneous mixture of two or more substances.
2. It can be solid solutions (alloys) and gaseous solutions (air).

Select the correct answer from the codes given below:
Answer: Only 2
Notes: A solution is a homogeneous mixture of two or more substances. You come across various types of solutions in your daily life. Lemonade, soda water, etc. are all examples of solutions. Usually we think of a solution as a liquid that contains either a solid, liquid or a gas dissolved in it. But, we can also have solid solutions (alloys) and gaseous solutions (air). In a solution there is homogeneity at the particle level.