Week 7 & 8 1st Term : Weekend Assignment

________ are substances with constant composition and characteristic properties which cannot be separated by physical means without breaking the bonds

_________ are chemicals with a high degree of purity and use in laboratory/ analytical research

_________ are generally referred to as chemicals that can be used to kill living things

Safety measures when using chemicals is the following except ____________

All these are chemicals except ____________

Example of non-toxic chemical is __________

The following are examples of toxic chemicals except

Nuclear chemicals are chemicals that are involve in ___________

Non-hazardous chemicals include the following except ________

_________ are chemicals used in agriculture