| My old chemistry teacher used to lecture us lads about the virtue of having 31 ties, one for every day of the month, so they never wore out. |
| In addition, alkyl groups may correspond to reagents and intermediates in organic chemistry. |
| The Job Holder should be a graduate BSc or equivalent in an analytical chemistry or biological discipline. |
| He jammed his fist into his baggy khaki pants, aware of the strange chemistry that floated in the air. |
| Among the high achievers was Hannah, who made the grade in physics, biology, chemistry, maths and general studies. |
| This demo would be appropriate at the beginning of a general chemistry course or anytime when the law of conservation of mass is discussed. |
