Welcome to On-line Science Activities, 2E2.
The following activities are available now.
Try the Quiz : Acids and Alkalis
(For the Quiz, you have to key in the session name as "Acids and Alkalis". Please enter your name correctly. You need not send me the Quiz answers as the scores recorded will be sent to me automatically.)
Try the game : Chemical Symbols, Chemical Symbols (Advance level)
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