Solution of hydrogen in palladium is an example of gas in solid solutions.

Consider the following statements about Tincture of Iodine:

$1.$ It is an antiseptic solution.
$2.$ Iodine is kept in alcohol-water mixture.
$3.$ Concentration of iodine is very low.

How many of the above statements is/are correct?

Represent the union of two sets by Venn diagram for each of the following.

$X=\{x | x$ is a prime number between $80$ and $100\}$

$Y=\{y | y$ is an odd number between $90$ and $100\}$

Match the items given in Column I with the type of solutions given in Column II.