Question

Try This.
Apparatus : Four test tubes, four small iron nails, rubber cork, etc.
Chemicals : Anhydrous calcium chloride, oil, boiled water, etc.
2
3
4
Procedure : Place four test tubes on a
test tube stand. Take some boiled water
1
in one test tube and put an oil layer on
it. Take some salt water in the second
test tube. Let there be only air in the
third test tube. Take some anhyrous
calcium chloride in the fourth test tube.
Place a small iron nail in every test
tube. Close the fourth test tube with a Oil layer on
rubber cork. Let all the four test tubes boiled water
remain un attended for a few days.
Salt
solution
Air Air and anhydrous
calcium chloride
3.7 To study rusting
Observe all the four test tubes after a few days. What did you find? Which test tubes
had the nails as before? Both water and air are necessary for rusting The rusting process
takes place rapidly in presence of a salt Have you seen the effect of redox reaction in
your everyday life? The new vehicles look shiny, on the contrary old vehicles look dull. A
A certain type of reddish coloured solid layer collects on their metallic surface. This layer is
called 'rust. Its chemical formula is Fe, O, XH,O.​

Answer 1

Answer:

) which is the Thermoplastic material in this

Butyline nubber

nylon

Neoprane

Unyl polymer

Explanation:

) which is the Thermoplastic material in this

Butyline nubber

nylon

Neoprane

Unyl polymer