PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1.
Suresh was asked to do an activity. The activity is to find the acid used as a food preservative in the kitchen and is also found in vinegar.
2.
Arun while pipetting out, accidentally drinks some amount of the chemical. He found that the chemical is a bitter taste. What is the type of chemical he was using?
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