Question

Define osmosis.
Define tissue.
Define pure substance.
define saturated and unsaturated solution.​

Answer 1

Explanation:

1) Osmosis (/ɒzˈmoʊ. sɪs/) is the spontaneous net movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on the two sides.

2) Tissue, in physiology, a level of organization in multicellular organisms; it consists of a group of structurally and functionally similar cells and their intercellular material.

3) A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., without breaking chemical bonds.

4) Such solutions where more solute can be dissolved are called unsaturated solutions. Solutions which is unable to dissolve any more solute is called as saturated solutions.

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Answer 2

Answer:

1. Osmosis is the process in which the roots of plants absorb water and minerals from the soil.

2. Tissue is a group of cells which are similar in structure and function.

3. The substance which contains only one kind of atoms is called pure substance.

4. The solution which cannot dissolve any more solute in it is known as saturated solution whereas the solution which can dissolve more solute in it is known as unsaturated solution.