Question : Which of the following statements is not correct regarding mixtures?

Option 1: Colloids are heterogeneous mixtures in which the particle size is large.

Option 2: The major component of a solution is called the solvent.

Option 3: The minor component of a solution is called the solute.

Option 4: A solution is a homogeneous mixture of two or more substances.

Question : Which one of the following can be categorised as a solution?

Option 1: Salt

Option 2: Diamond

Option 3: Sea Water

Option 4: Coal

Question : Three vessels whose capacities are 3 : 2 : 1 are filled with milk mixed with water. The ratio of milk and water in the mixture of vessels is 5 : 2, 4 : 1, and 4 : 1, respectively. Taking $\frac{1}{3}$ of first, $\frac{1}{2}$ of second, and $\frac{1}{7}$ of third mixtures, a new mixture kept in a new vessel is prepared. The percentage of water in the new mixture is:

Option 1: 28%

Option 2: 32%

Option 3: 30%

Option 4: 24%

Question : What is a brine solution?

Option 1: Excess salt + water

Option 2: Silver

Option 3: Excess ethanol + water

Option 4: Excess starch + water

Question : If 4 litres of water is evaporated on boiling from 12 litres of salt solution containing 7 percent salt, the percentage of salt in the remaining solution is:

Option 1: 10.5%

Option 2: 11.5%

Option 3: 12%

Option 4: 13%