PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoWhich of the following do you suggest for Vinoth to pick to score a centum in his exam?
A)
Statement 1: John Dalton was the first scientist to use the symbols for elements in a very specific sense.
Statement 2: Jöns Jacob Berzelius, a Swedish chemist, proposed that element symbols be made up of one or two letters from the element's name.
B)
Statement 1: In solid, the molecules are closely packed with no space to move is because of their shape.
Statement 2: In solid, the molecules are closely packed with no space to move is because of their intermolecular force.
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