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The diagram below shows the PH values of several substances.

(A) Based on PH value for substances K and M, what are the changes observed when we are testing the substances by using the blue litmus paper?

K : Blue -> ?
M : Blue -> ?

(B) Give example of substances/solutions for :
L =
M =​

The diagram below shows the PH values of several substancesA Based on PH value for substances K and M what are the changes observed when we are testing the subs class=

Respuesta :

Answer:

Changes in colour of litmus paper.

  • Blue litmus turns red under acidic conditions.
  • Red litmus turns blue under basic conditions.

Noe

PH values:-

  • K=4
  • M=11

K is acidic as pH is <7

Hence K will change the colour of blue litmus paper.

#B

Examples of substances

  • K=Vinegar, Tomatoes.
  • M=Milk of magnesia,Soap

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