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Really discusting smelling milk
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∙ 12y ago
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How does pasteurisation affect the bacteria milk?
Hoy do bacteria help change mili into yogurt?
What makes bacteria change milk into tangy food?
yoghurt
How does bacteria affect the pH in milk?
Bacteria in milk causes milk to sour by changing lactose to lactic acid. This causes the pH to drop and once the pH drops low enough, the proteins in the milk will curdle.
Can you consider a chemical change souring a milk?
the growth of microorganisms that produce sour byproducts.
What is the change process of turning milk to yogurt?
Bacteria convert lactose into lactic acid.
When bacteria convert milk to yogurt is it a physical or chemical change?
CHEMICAL
Why Milk souring is a physical change?
It is not physical but rather chemical: milk sugar (lactose) is converted to lactic acid by Lactobacillus bacteria.
Is milk souring a physical change?
It is not physical but rather chemical: milk sugar (lactose) is converted to lactic acid by Lactobacillus bacteria.
Is sour milk a chemical or physical?
It is a chemical change.
How will milk in the fridge affect the bacteria that is in the milk?
Refrigeration will slow down the growth of bacteria in the milk, but not kill the bacteria. This will slow down spoilage.
When milk turns sour is it a chemical or physical change?
chemical change
Why is churning a chemical change?
Souring milk causes a chemical change because it changes its state of matter (from a liquid to a semi-solid), and it grows bacteria. When milk sours it causes a permanent change, therefore making it a chemical change.
