Maximum types of laboratory apparatus made using chalk pieces
The record for making the maximum types of laboratory apparatus using chalk pieces was set by K. Santhiya (born on May 22, 1998) of Erode, Tamil Nadu. She carved out 18 different types of Chemistry laboratory apparatus on different chalk pieces including tripod stand, test tubes, standard flask, burner, beaker, measuring jar, mortar and pestle, as confirmed on March 26, 2021.