Sagot :
Answer:
1. hydrometer
2.grade hydrometer
3. :( I don't know )
4.alcohol or germinicidal acid
5.:( i don't know )
6.:( I don't know )
7. calibrate tye refractometer using distilled water.
8.termometer
9. beam balance
10.2
Explanation:
hope that will help
thanks me later
correct me if I was wrong