/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: atikahtikah33 https://cdn.slidesharecdn.com/profile-photo-atikahtikah33-48x48.jpg?cb=1523740981 I also became interested in chemistry and gradually accumulated enough test tubes and other glassware to do chemical experiments, using small quantities of chemicals purchased from a pharmacy supply house.