This series is for schools following OCR A double or separate award for GCSE science. The resources offer preparation for the OCR exams with teacher support to minimise the amount of time spent on administration and maximise the time available for teaching. In addition, the teacher's resources are available on CD-ROM in a fully customizable format to meet the needs of individual students.Too much ultraviolet light causes sunburn and can cause skin cancer. Sunbathers should use ... 2 a Where else in a house, other than the toilet, might bleach be used to kill bacteria? ... 3 Bleach is a component of some washing powders. a What job does the bleach do? b What problem might the bleach cause? Worksheetanbsp;...
|Title||:||Chemistry for OCR A for Separate Award|
|Author||:||David Lees, John Payne|
|Publisher||:||Heinemann - 2001|