Answer:
it is a weak acid
acid
Explanation:
formaldehyde is a weak acid (pK greater than 13),
Answer:
Basic solution.
Explanation:
Solution that contains high percentage of the base in solution are called basic solution because it has more amount of 'Hydroxl or Hydroxide' ions or (OH-) ions. When we put few drops of the red litmus solution or paper in the solution which contains high percentage of the base, it turns red colour in to blue.
So, here the blue colour indicates that the solution is basic in nature.
The water and the spirit can be easily separated by a method called fractional distillation.
<u>Explanation:</u>
- There are many ways of separating alcohol from water. The most common method is by heating. Water has a higher boiling point when compared to alcohol and the water can be easily evaporated into the air.
- This method is called Fractional distillation. As it requires a rounded flash, a beaker, and a container. If the content is put under the heat for a certain degree celsius the water in the content is evaporated.
- It is to be collected and connected to a container. At last, the alcohol and water are separated.
I think its A. because there are nuclear fusion and nuclear fission