A.hot concentrated HNO3
B.concentrated HNO3 containing dissolved NO2
C.the purest form of HNO3
D.a mixture of concentrated HNO3 and concentrated HCI
A.hot concentrated HNO3
B.concentrated HNO3 containing dissolved NO2
C.the purest form of HNO3
D.a mixture of concentrated HNO3 and concentrated HCI