Q. The absorption of ink by blotting paper involves
- viscosity of ink
- capillary action phenomenon
- diffusion of ink through the blotting
- siphon action
Answer: Capillary action phenomenon
What is the principle behind the absorption of water by blotting paper?
The absorption of ink by blotting paper involves the capillary action.
Capillary action is an important ability of water to move through other materials. Water is not the only liquid that can do this, but its properties make it better at capillary action than most other substances.
The effect can be seen in the drawing up of liquids between the hairs of a paint-brush, in a thin tube, in porous materials such as paper and plaster, in some non-porous materials such as sand and liquefied carbon fiber, or in a biological cell. It occurs because of intermolecular forces between the liquid and surrounding solid surfaces.
The effect can be seen in the drawing up of liquids between the hairs of a paint-brush, in a thin tube, in porous materials such as paper and plaster, in some non-porous materials such as sand and liquefied carbon fiber, or in a biological cell. It occurs because of intermolecular forces between the liquid and surrounding solid surfaces.
Blotting paper, sometimes called bibulous paper, is a highly absorbent type of paper or other material. It is used to absorb an excess of liquid substances (such as ink or oil) from the surface of writing paper or objects. Blotting paper referred to as bibulous paper is mainly used in microscopy to remove excess liquids from the slide before viewing. Blotting paper has also been sold as a cosmetic to aid in the removal of skin oils and makeup.
- Capillary action draws ink to the tips of fountain pen nibs from a reservoir or cartridge inside the pen.
No comments:
Post a Comment
What you have to say about this?