Tao ngon lửa co mau theo y thich.

[nobel234]

De tao ngon lua co nhieu mau that dep co nhieu phuong phap khac nhau nhung phuog phap don gian nhat la dung phuong phap hoa hoc. Dau tien minh xin gioi thieu cho cac ban tao ngon lua mau xanh luc.
Nguyen lieu :Acid Boric
con etylic
H2SO4
Cach lam :lay khoang 1g acid boric + khoang 3ml etylic + khoang 1ml H2SO4 + khuay deu. Sau do dunh diem hay bat lua dot --> ta se co mot ngon lua mau xanh rat dep.
Giai thich :
H3BO3 + C2H5OH --> (C2H5)3 B + 3H2O
(C2H5)3 B la loai ester khi chay cho ngon lua mau xanh rat dep. Do cung la dau hieu de nhat biet nguyen to Bo khi co lan cung voi nhung kim loai khac. Thanks very much !