contact acid

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• contact acid — noun : sulfuric acid produced by contact catalysis …   Useful english dictionary

• Contact dermatitis — Classification and external resources Rash resulting from skin reactions. ICD 10 L …   Wikipedia

• Acid erosion — Classification and external resources ICD 10 K03.2 MeSH D014077 Acid erosion, also known as dental erosion, is the irreversible loss of tooth structure due to chemical dissolution by acid …   Wikipedia

• Contact electrification — is an obsolete scientific theory from the Enlightenment that attempted to account for all the sources of electric charge known at the time.[1] In the late 18th century, scientists developed sensitive instruments for detecting electrification ,… …   Wikipedia

• Contact explosive — generally refers to any substance that will explode when relatively small quantities of energy are applied to the substance, whether that be heat, light, sound, or physical pressure and even Alpha radiation. Examples include: Compound Sensitivity …   Wikipedia

• Contact process — For other uses, see Contact process (mathematics). The contact process is the current method of producing sulfuric acid in the high concentrations needed for industrial processes. Platinum was formerly employed as a catalyst for the reaction, but …   Wikipedia

• acid–base reaction — ▪ chemistry Introduction       a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… …   Universalium

• Acid mine drainage — Yellow boy in a stream receiving acid drainage from surface coal mining. Acid mine drainage (AMD), or acid rock drainage (ARD), refers to the outflow of acidic water from (usually abandoned) metal mines or coal mines. However, other areas where… …   Wikipedia

• contact process — Chem. a catalytic method for producing sulfuric acid from sulfur dioxide and oxygen. [1900 05] * * * ▪ chemistry       modern industrial method of producing sulfuric acid; (sulfuric acid) it has largely replaced the chamber, or lead chamber,… …   Universalium

• Contact — For information on contacting Wikipedia, see Wikipedia:Contact us. Contact may refer to: Contents 1 Social interaction 2 Mathematics and engineering 3 …   Wikipedia

• acid — [[t]æ̱sɪd[/t]] ♦♦♦ acids 1) N MASS An acid is a chemical substance, usually a liquid, which contains hydrogen and can react with other substances to form salts. Some acids burn or dissolve other substances that they come into contact with.… …   English dictionary