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SCIENCE Prepare Q&A
Q:14
காபியின் பிஎச் மதிப்பு
2.2 - 2.4
4.4 - 5.5
6.5 - 7.5
7.35 - 7.45
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மனித உடம்பிலேயே மிகவும் கடினமான பகுதி
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