asked 154k views
3 votes
How is a mineral's effervescence measured?

scraping it against an unglazed porcelain plate


dripping acid onto it


placing it near iron filings


striking it with a hammer

asked
User Skalb
by
7.6k points

1 Answer

3 votes
Dripping Acid onto it
answered
User Erin Heyming
by
8.6k points
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