How to Use Mortar and Pestle - Goal/Aim, Mortal, Pestle, Solid Chemical - Equipment, First, make sure the mortar and pestle are clean - First Instruction, Then, put the solid chemical/sample into the mortar and crush up gently with the pestle - Second Instruction, After that, make sure the sample crush up slowly until it becomes fine powder - Third Instruction, If the sample is fine then it can be used for further test analysis - Fourth Instruction,

How to Use Mortar and Pestle

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