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How would you show that setting of curd is a chemical change?


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Answered 2010-08-17 15:31:19

Setting of curd is a chemical change b'coz when lactobacillus bacteria comes in contact of milk they convert the milk to curd due to some biochemical reasons.

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Anonymous

2020-09-14 11:49:32

thnx

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How would you show that setting curd is an chemical change?

you would know that a curd is a chemical change because you cannot get the milk back thats why and chemical changes are irreverseble .


Is setting of curd into milk a chemical change?

yes!


How would you show that setting of curd is chemical change?

the right answer is that it is a physical change as it is made from milk and is a milk product.


How would show that setting of curd is a chemical change?

Ofcourse!! As you would know milk is made out of curd(ma mom would know how..but to my knowledge u put a little amount of yesterday's curd into a casserole an add hot milk to it...let it set through the night ,and Voila! u get curd in the in the morning or it may even tk longer depends on the temp.)*i'm n tht sure abt d process i might hv missed something out ..ma mom would know... * Nw bk to the answer: No. 1)There is a complete change in orientation((milk is liquid curd is semi))... No. 2)There is change in odor... No. 3)-The bacteria releases lactic acid... No. 4)-There is a drop in pH value due to formation of acid... All these things together prove that setting of curd Is a chemical change Setting of curd is a chemical change because we cannot get the milk we used to make the curd and a new substance is formed.


Is turning milk into curd a physical change?

Turning milk into curd is a chemical change, not a physical change.


Is formation of curd a chemical change or a physical change?

Physical and chemical change


What change is the conversion of milk to curd?

This is a chemical change.


Setting of curd is a chemical change?

Ofcourse!! As you would know milk is made out of curd(ma mom would know how..but to my knowledge u put a little amount of yesterday's curd into a casserole an add hot milk to it...let it set through the night ,and Voila! u get curd in the in the morning or it may even tk longer depends on the temp.)*i'm n tht sure abt d process i might hv missed something out ..ma mom would know... * Nw bk to the answer: No. 1)There is a complete change in orientation((milk is liquid curd is semi))... No. 2)There is change in odor... No. 3)-The bacteria releases lactic acid... No. 4)-There is a drop in pH value due to formation of acid... No. 5)It is irreversible((yo cannot get milk back frm curd)) All these things together prove that setting of curd Is a chemical change


Is Lemon juice converting milk to curd a physical change?

No. That is a chemical change.


What is the chemical formula for curd?

Curd is a mixture not a chemical compound.


Is changing of milk into curd a reversible change?

No.It is chemical change so it is irreversible


Why milk turning into curd is a chemical change?

because it is irreversible and it has a new substance


Is the change of milk into curd a chemical change?

Yes, it's a complex reaction with the enzyme rennet, that also yields whey.


How lactobacillus make milk to curd?

It can make milk into curd because it has a special chemical called lacto that changes milk into curd.


Which bacteria helps milk to change into curd?

The name of the bacteria is lactobacillus. The presence of lactic acid bacteria causes milk to curd. The chemical reactions between the bacteria and casein results in curdling.


Is Change of milk into curd a physical change?

when milk curs it is a chemical change. A physical change is change in form, which is revesrable. Like water being frozen then thawed. A chemical change is irreversible, and involves a change in the chemical make up. What is happening is a new compound is being formed by the milk reacting with the air and such.


Why do you think Curd sets faster in summer than in winter?

The bacteria (Lactobacillus) needs warmth to convert milk to curd. So the setting of curd is faster in summer.


Why does cheese stink?

Because bacteria feeds on the curd and break down the chemical components of the curd into different chemical components. Which some how makes it smell.


Milk is liquid curd is semisolid why?

The chemical composition is different.


Why is souring of milk is chemical change in simple words?

Yes , souring of milk is a chemical change because once the milk get converted into cheese or curd by adding a drop of lemon in milk it turns into cheese and we cannot get the original substance back.


What happens when you make curd from milk?

its a chemical bacteria called lactobacillus


If pH of milk is 6 then what will be the pH of curd?

no change


Can you use sporlac tablet to change milk into curd?

no


What is the chemical equation for change of milk into curd?

The fermentation is the reaction which transform sugars in organic acids. Example (lactic fermentation of glucose): C6H12O6 -------→ 2 CH3CHOHCOOH.


Is curd a fat product?

If you mean milk curd, there are curds with fat and curds without. I think it would be more appropriately categorized as a dairy product. If you mean curd as in Lemon Curd, it's mostly sugar and egg yolks.