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krish from USHA MARTIN SCHOOL ,malda, malda
Subject :NSO    Class : Class 5
what is baking powder and vinegar?

Ans 1:

ratankrmandal@yahoo.com from Vivekananda Mission School, Haldia
Class : Class 7
Baking Powder is a base.It is sodium hydroxide(NaOH). Vinegar is an acid.It is ascetic acid

Ans 2:

Soundharya from ISWK, Muscat
Class : Class 8
It gives softness to the food and too much in take is unhealthy.

Ans 3:

monishajv2006@gmail.com from manan vidya, Ranchi
Class : Class 5
baking powder is a type of powder used to make cakes,cookies and many more. vinegar is a type of liquid used to make cakes,cookies and other junk foods.they are also used to do experiment.

Ans 4:

from , Serampore
Class : Class 7
CO 2 (Carbon dioxide)

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