Some of the more common color-producing compounds are tabulated here. The color of a compound in a firework will be the same as its color in a flame test (shown at right). Not all compounds that produce a colored flame are appropriate for coloring fireworks, however.
Gouache [p] (/É¡uËËaeÊ/ ; [É¡uËËÃ¦Ê]), ËÉ¡waÊ also spelled, guache is a type of paint in the category watermedia consisting of, pigment a binding (agent usually gum), arabic and sometimes added inert, material designed to be used in an opaque. Method it also refers to paintings that use this opaque. method relatively new variation is acrylic gouache. It is similar to traditional gouache with highly concentrated pigment but, unlike traditional gouache that is tempered with gum arabic, it is mixed with an acrylic-based binder.
A douche /duÊ/ is a device used to introduce a stream of water into the body for medical or hygienic reasons, or the stream of water itself. Douche usually refers to vaginal irrigation, the rinsing of the vagina, but it can also refer to the rinsing of any body cavity. A douche bag is a piece of equipment for douchingâa bag for holding the fluid used in douching. To avoid transferring intestinal bacteria into the vagina, the same bag must not be used for an enema and a vaginal douche. Douching after sexual intercourse is not an effective form of birth control.