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T1 CH3 Matter Around Us — Science STD 7 — Question

Tamilnadu BoardEnglish MediumSTD 7ScienceT1 CH3 Matter Around Us2 Marks
Question
What are compounds? Give two examples.
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Answer

A compound is a pure substance that is formed when the atoms of two or more elements combine chemically in definite proportions.
Exarmple: $H _2 U , NaCl _{\text {, }}$

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