Bleck! The penny's still dirty. Baking soda did not clean the penny. Baking soda is a base. Try cleaning the penny with another substance. CLICK on a cup below. Baking Soda Vinegar Lava Soap Lemon Juice Lesson plans. . .
Shaina /shai-na/ [2 sylls.] as a girls' name is pronounced SHAY-nah. It is of Yiddish origin, and the meaning of Shaina is beautiful.
Definition of indican. 1  1 : an indigo-forming substance C8H7NO4S found as a salt in urine and other animal fluids; also : its potassium salt C8H6KNO4S. 2  2 : a glucoside C14H17NO6 occurring especially in the indigo plant and being a source of natural indigo.