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Shweta Basu from Amity international School, Gurgaon
Subject :NSO    Class : Class 7
Water is made up of what two elements?

Ans 1:

Ananya from Delhi Public School, Meerut
Class : Class 7
As you see the chemical formula for water is H20, it contains molecules of hydrogen and oxygen

Ans 2:

Anu Sharma from DPS Noida, Noida
Class : Class 2
hydrogen and oxygen

Ans 3:

Anu Sharma from DPS Noida, Noida
Class : Class 2
Sodium Carbonate

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