Question

Take a Break!
Write/Choose the correct answer.
1. Oxygen is collected in the jar by downward displacement of water. (True False)
2. Oxygen does not support combustion. (True/False)
3.
is the reddish-brown hydrated iron oxide which deposits on iron objects when
exposed to moist air.
4.
is the process of depositing a thin layer of zinc metal on iron objects.
S. During the process of photosynthesis, carbon dioxide is released into the atmosphere and oxygen
present in the atmosphere is used by the plants. (True/False)
in nature.
6. Metallic oxides are
7. The amount of oxygen in the air remains constant. (True/False)​

Answer 1

Answer:

1. TRUE
2. FALSE
3. FERROUS OXIDE.FE2O3
4. GALVANISATION
5. FALSE
6. BASIC IN NATURE
7. FALSE..