A cotton swab is dipped into concentrated hydrochloric acid (producing hydrogen chloride gas) while a second on is dipped into concentrated aqueous ammonia (producing ammonia gas). Both cotton swabs ...

THIS communication summarizes an examination of the instantaneous fracture of nylon and ‘Plexiglas’ plates, by the actions of concentrated hydrochloric acid and allylbromide respectively, when ...

WORK is being done in this laboratory on various atmospheric corrosion problems. An apparatus has been set up which measures corrosion-rates by following the oxygen consumption. This apparatus will be ...

Genevac has published a technical paper that reviews a selection of organic synthesis / purification reactions widely used by chemists in the drug discovery process where hydrochloric acid (HCl) has ...

MANILA, Philippines — A chemical tanker containing 3,000 liters of concentrated hydrochloric acid developed a leak along Quirino Avenue in Manila before dawn yesterday. The Metropolitan Manila ...

A copper penny appears to turn to silver after heating in an evaporating dish with a mixture. The penny then appears to turn to gold when heated in a flame. Heat causes a fusion of zinc and copper to ...

Take care to use the word 'dilute' correctly. It can be used as an adjective to describe the concentration of a solution (as here), or as a verb to describe the process of adding more water to a ...