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Answer:
it is oxygen and hydrogen.............
Answered by
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Answer:
Types of surface (top to bottom):
colourless, odourless gas, so...
colourless, odourless gas, so...
shiny, soft, silvery
shiny, hard, pinkish-brown
dull, slightly soft, silvery
slightly dull, slightly soft, silvery
Hardness (top to bottom):
cant feel (gas)
cant feel (gas)
soft
hard
slightly soft
slightly soft
Malleability (top to bottom):
no
no
high
very high
high
high
hope it helps
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