Question

Shahd made some yoghurt.
. She washed out a plastic container using boiling water.
. She let the pot cool down, and then put some fresh milk into the container
. She added a small spoonful of live yoghurt
. She covered the container with cling film
. She put the container in the refrigerator
A) explain why it was a good idea to wash the container with boiling water?
B) suggest what was in the live that would help to turn Shahd's fresh milk into yoghurt?
C) it took a long time for Shahd's milk to turn into yoghurt. What could she have done to make it happen faster?
D) Shahd measured the pH of the milk before she put it into the pot. She measured it again after it had been in the pot for four days. Suggest how the pH changed. Choose from:
(became higher) (became lower) (stayed the same)
Explain ur answer
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Answer 1

Answer:

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