The Nuremberg War Crimes trials established the international legal precedent that individuals who violate human rights can be held responsible for their actions. The correct option in regards to all the options given in the question is option "2".
The Nuremberg trials were held
against the Germans by the Allied forces against the war crimes done by the
Germans during World War II. Many of the allied countries were in favor of
killing the war criminals before any trial, but ultimately the trial was held
and the criminals were either hanged to death of were killed by the firing
squad.
1. Acid , H+ ion
2. Base , OH- ion
3. Base , OH- ion
4. Acid , H+ ion
Lead chromate is a precipitate that is formed on the reaction of lead nitrate with sodium chromate. The best method to separate this precipitate from the solution is filtration.
- A precipitate can be defined as an insoluble solid formed in a chemical reaction. It appears as a cloudy and resulted after a reaction.
- The lead chromate is yellow colored precipitate that forms after the reaction of lead nitrate with sodium chromate.
- The process of separation of insoluble solids from the liquids by the use of filters is known as filtration. Insoluble solids are also called as precipitates these precipitates are formed in a chemical reaction.
- Filtration will help in separation of insoluble solid yellow colored lead chromate precipitate from the solution using a porous material or filter that selectively inhibits the passage of solid precipitate material and allows the solution to pass through it.
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The polar characteristic of water helps it form strong bonds with other water molecules.
<h3>What is polar structure?</h3>
A polar molecule is a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative.
The attractive force between water molecules is a dipole interaction.
The hydrogen atoms are bound to the highly electronegative oxygen atom (which also possesses two lone pair sets of electrons, making for a very polar bond).
Hence, option D is correct.
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