Question

C) To locate the position of ships
D) All of these
खालीलपैकी कोणता पदार्थ ऑक्सिजन तयार करण्यासाठी वापरला जात नाही?
Which among the following substances cannot be used for the preparation of oxygen?
VAHgo
B) KNO.
C)H2O,
D) Cacos​

Answer 1

Answer:

hgo

Explanation:

ore of mercury

it cannot be used for the preperation of oxygen