Thursday 14 March 2013

Corrosion and rancidity


Corrosion: It is the process in which metals are slowly eaten up by the action of air moisture or chemicals. For example rusting is a form of corrosion in which iron is eaten up by the action of air and moisture and a reddish brown coating of iron oxide is formed as shown in the following chemical reaction.
Rancidity: When the substance containing oils and fats are exposed to air they get oxidised and become rancid due to which their smell, taste and colour change. This process is known as rancidity. For example when a when butter is kept open for a long time then its smell and taste gets changed.
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20 comments:

  1. thegaurivashisht4 July 2018 at 08:01

    It really helped my little beother to prepare for his exams. Its really uaefull .THANK U

    ReplyDelete
  2. Unknown11 July 2018 at 08:57

    Supper

    ReplyDelete
  3. Unknown24 July 2018 at 18:53

    It helpful thank u ЁЯШК

    ReplyDelete
  4. Unknown27 July 2018 at 18:49

    Very helpful ЁЯШКЁЯЩП thank u

    ReplyDelete
  5. Unknown4 August 2018 at 20:06

    Thanks

    ReplyDelete
  6. Unknown13 August 2018 at 08:16

    Nice

    ReplyDelete
  7. Unknown13 August 2018 at 11:57

    Thankyou so much. Really very help full...

    ReplyDelete
  8. Unknown6 September 2018 at 01:13

    ThankT It's verr help ful

    ReplyDelete
  9. Unknown12 September 2018 at 19:30

    I feel something is missing in this definition...

    ReplyDelete
  10. Unknown27 September 2018 at 21:01

    Same here!

    ReplyDelete
  11. Unknown28 September 2018 at 04:38

    Thanks

    ReplyDelete
  12. Syed Talat20 November 2018 at 07:12

    Very nice bro,it's really very helpful

    ReplyDelete
  13. Syed Talat20 November 2018 at 07:12

    Very nice bro,it's really very helpful

    ReplyDelete
  14. Unknown11 February 2019 at 00:57

    Worst ever!!!

    ReplyDelete
  15. Unknown30 June 2019 at 06:54

    Thanks for Answer.

    ReplyDelete
  16. dchandrika179@gmail.com5 August 2019 at 07:01

    It is so help ful to oir education tq ЁЯШНЁЯШН

    ReplyDelete

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