oksid

Ag 2 O An odorless, dark-brown powder with a metallic taste; soluble in nitric acid and ammonium hydroxide, insoluble in alcohol; decomposes above 300_C; used in medicine and in ...

nikl-oksid

化学; 無機化学

NiO Green powder; soluble in acids and ammonium hydroxide; insoluble in water; used to make nickel salts and for porcelain paints. Also known as green nickel oxide.

aluminijum oksid

化学; 無機化学

Al 2 O 3 A compound in the form of a white powder or colorless hexagonal crystals; melts at 2020_C; insoluble in water; used in aluminum production, paper, spark plugs, ...

nitrik oksid

化学; 無機化学

NO A colorless gas that, at room temperature, reacts with oxygen to form nitrogen dioxide (NO 2 , a reddish-brown gas). It may be used to form other compounds. It is a crucial ...

isparljiv

化学; 化学全般

A solid or liquid material that easily vaporizes. A material with a significant vapor pressure .

abraziv

化学; 化学全般

A very hard, brittle, heat-resistant substance that is used to grind the edges or rough surfaces of an object. boron carbide, diamond, and corundum are abrasives.

diastereoizomer, diastereomer

化学; 化学全般

Stereoisomers which are not mirror images of each other. Diastereomers are chemically similar but distinguishable; they have different melting points and boiling points and they ...

medicinska hemija

化学; 化学全般

A branch of chemistry concerned with the discovery, design, synthesis , and investigation of biologically active compounds and reactions that these compounds undergo in living ...

slab elektrolit

化学; 化学全般

A weak electrolyte is a solute that incompletely dissociates into ions in solution. For example, acetic acid partially dissociates into acetate ions and hydrogen ions, so that ...