Question

B
damp air
oil
dry alr
iron nail
iron nccail
water
boiled
water
rust
chemical used
to remove water
(a) The iron nail in tube A rusts.
This is because the nail reacts with water and a gas found in air.
What is the name of the gas?


(1)
(b) Complete the sentences about the investigation.
The iron nall in tube B did not rust because
RESENHOS
RAS
The iron nail in tube C did not rust because
BERSICHER
(2)
(c) Rusting is a reaction that is not .
Explain why rusting is not a useful reaction​

Answer 1

Answer:

what is it a question ⁉️,,,, h