You did not use the site, Click here to remain logged. Timeout: 60 second

WRITING WITH WATER - ENGLISH - 17MB.wmv

339 lượt xem
Xuất bản 14/08/2015
You can literally write with water. Soak some filter papers in the pink solution of cobalt chloride and then dry them in the sun. The dry filter papers will look bluish. Write on the blue filter papers with a water brush. Whatever you write will appear pink. A chemical reaction will make the cellulose in the paper turn pink. This work was supported by IUCAA and Tata Trust.
IUCAA FUN WITH CHEMISTRY TOYS FROM TRASH Trust Tata