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T1 CH3 Matter Around Us — Science STD 7 — Question

Tamilnadu BoardEnglish MediumSTD 7ScienceT1 CH3 Matter Around Us2 Marks
Question
Write the chemical formula for the following elements.
1.Hydrogen
2.Nitrogen
3.Ozone
4.Sulphur
✓

Answer

Elements Formula
Hydrogen H
Nitrogen N
Ozone $O_3$
Sulphur S

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