PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1.
It is a high-class chemical laboratory where strong concentrated acids are used. A test tube was required for Karthick. The lab attender advised him to clean a test tube and take it. He was afraid to wash. He was curious as to whether or not there was any harmful acid present. What would you advise him to do?
2.
Makesh was drinking juice. It was sour. He wanted to know what constituent of the juice makes it sour. He found it. What do you think it may be?
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