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How much water need to be added to 0.5g KOH to make solution?
Need to reduce the cooling time from 20-30 seconds to 5-10 seconds. If it is left for cooling for 20-30 seconds. the liquid starts solidifying. Heating is required to melt again.
The Test tube holder to be changed. DIY Test tube holder with stand Tactivity to be added.
Make three marks within the triangle at the three vertices. These markings will be used as reference for placing LEDs.
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