Wednesday 13 March 2013

Why should curd and sour substances not be kept in brass and copper vessels?

Question 1. Why should curd and sour substances not be kept in brass and copper vessels?
Answer: Curd and sour substances should not be kept in brass and copper as curd and sour substances are acidic in nature and react with the metallic surface of the brass and copper to form some toxic compound which may be unfit for health.
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23 comments:

  1. Unknown14 March 2013 at 06:12

    Please send your feed back,
    Your comments are valuable to us.
    You are most welcome to our blog.

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    Replies
    1. N.Ravindra kumar17 October 2017 at 08:49

      How is it possible sir? Cu is less reactive than hydrogen. Lactic acid is a weak acid.

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    2. emily29 July 2018 at 00:44

      It is true that curd contains lactic acid which is a weak acid ,but i think, if u store curd in copper/brass vessels for a long time, then it will produce toxic substances ,i dont think there is an immediate reaction taking place.

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    3. Unknown2 September 2018 at 22:50

      It can .I tried

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    4. Unknown2 September 2018 at 22:50

      Nbbb

      Delete
  2. Unknown29 January 2015 at 22:46

    thanks

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  3. Unknown24 January 2016 at 05:05

    Exact answr thank u so much

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  4. fantastic 17 June 2016 at 21:54

    Coŕrect answer

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  5. Unknown9 June 2016 at 04:57

    'Unfit for health' is grammatically incorrect. You might use the phrase 'unfit for human use' or 'unsuitable for human use'.
    By the way, you have a great website :)

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  6. Unknown4 July 2016 at 04:08

    Thank you so much sir

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  7. ELB MARK8 July 2016 at 20:08

    Great...but this means curd is acidic..is this true..so we eat acid..?how is this possible..

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    Replies
    1. Unknown14 July 2019 at 09:45

      Because curd is organic acid which contains lactic acid. ..

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  8. ELB MARK8 July 2016 at 20:08

    Great...but this means curd is acidic..is this true..so we eat acid..?how is this possible..

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    Replies
    1. Unknown20 August 2016 at 07:38

      Even rainwater is acidic!Not every acidic substance is corrosive, only strong acids are lethal on consumption.

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    2. Unknown13 March 2018 at 06:01

      Curd is lactic acid

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  9. Unknown20 August 2016 at 07:36

    What compound(s) will be formed when Curd (Acidic substance) reacts with Copper?

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  10. Unknown14 May 2017 at 00:03

    Good answer

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  11. Unknown14 May 2017 at 00:06

    Good answer

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  12. Anirudh Sharma12 February 2018 at 23:35

    I disagree....As cu is less reactive than hydrogen.... it cannot displace hydrogen from lactic acid...

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  13. Unknown3 October 2018 at 18:00

    Curd and other so substances contains acid therefore when they are kept in brass and copper vessels the metal reacts with acid to form a metal compounds which can cause food poisoning and damage our health

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  14. Unknown31 October 2018 at 18:45

    tottaly disagree how can it displace hydrogen when cu is less reactive

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  15. Unknown9 March 2019 at 05:40

    Not a specific answer. Copper is less reactive than hydrogen, how can it displace it? At least don't spread incomplete and misleading language.

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  16. Unknown26 November 2019 at 05:04

    right answer

    ReplyDelete

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