N
ngoisaobang23793


thay khai oi!!!
thay phan biet giup em cac hop chat huu co nao tac dung voi :
Na, NaOH,Cu(OH)2,AgNO3/ NH3
cam on thay!!!
thay phan biet giup em cac hop chat huu co nao tac dung voi :
Na, NaOH,Cu(OH)2,AgNO3/ NH3
cam on thay!!!