PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoFind the answer for the question: Who am I?
(Note: write only one letter in each box.)
1. I prolong the setting time in cement when added in excess. My presence in cement is \(19\%\) to \(24\%\), I give strength to it with the formation of dicalcium and tricalcium silicates. Who am I?
2. I invented the binder, which is a powdery substance in \(1824\). I made this binder made from eight ingredients. I named this binder from the place of its origin. Who am I?
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