A liquid has definite volume but no definite shape .
Answer:
Explanation:
C is oxidised because C up to C+4
PbO is reduced because PbO from Pb2+ down to Pb0
B.Elements
Explanation: they cannot be separated
1 hectoliter is 26.4172
1 kiloliter is 264.172
562 grams because mass can not be created or destroyed
