Australia's Science Forum

Hi,

That's easy to make, You need to combine the sodium hydroxide (NaOH) and silica beads, the Silica beads are the small sachets that comes when you buy new shoes to absorb humidity.
Thank you.
Bacteriologist

Hi,

Very easy solution, just go to any Chemists and ask for a small plastic tablets bottles or canister the small can they dispense tablets for prescriptions, or just buy heaps of small Blackmores Vitamin C Effervescent tablets and you should be fine and all set.

Thanks.
Bacteriologist

Hi,

It is just a Glucose powder with some preservatives and flavours. You should be able to use it without any results discrepancies.

Kind Regards,
Bacteriologist

Hi RosalieL,

It should work, as long as the coins are of hard materials, such as metals, plastics, alloys ..etc but, not an absorbent materials.

Thanks.

Kind Regards,
Bacteriologist