a) Trich moi chat ra mot it lam mau thu
Cho qui tim vao moi mau thu
Mau thu nao lam qui timhoa xanh la KOH
Mau thu nao lam qui tim hoa do laH3PO4
Con lai la Na2SO4
f)Trich moi chat ra mot it lam mau thu
Cho nuoc vao moi mau thu
Chat nao co khi bay ra la Na
Cho qui tim vao cac san pham vua thu d
San pham nao lam qui hoa xanh la Na2O
San pham nao lam qui hoa do thi mau thu la P2O5
Con lai la Nacl
e)trich moi chatra mot it lammau thu
Cho nuoc vao mau mau thu.
mau thu nao nao ko tan trong nuoc la CaCO3
mau thu nao co khi thoat ra la Na
Cho qui tim vao 2 sp vua thu dc
san pham nao lam qui tim hoa xanh thi mau thu la NA2O
San pham nao lam qui tim hoa do thi san phamla P2O5
d) Trich moi chat ra mot it lam mau thu
Cho nuoc vao moi mau thu
mau thu nao co khi bay ra la BA
Chjo qui tim va 2 sp vua thu dc
Sp nao lam qui tim hoa xanh thi mau thu la BaO
Sp nao lam qui tim hoa do mau thu la P2O5.
b) Trich moi chat ra mot it lam mau thu.
Cho qui tim vao moi mau thu
Mau thu nao nao lam qui tim hoa xanh mau thu do la KOH
Mau thu nao lam qui tim hoa hong la H2SO4
mau thu nao lam qui tim ko doi mau la K2SO4
c) Trich moi chat ra lam mau thu
Cho qui tim vao moi mau thu.
Mau thu nao lam qui tim hoa xah mau thu do la NaOH
Mau thu nao lam qui tim hoa do la HCl
Cho Na vao 2 mau thu cn lai
mau thu nao phan ung va co khi bay ra la nuoc
con lai la Nacl
trannhat900 
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