Chemistry

2. what was the first surfactant
8. if someone has very dry sensitive skin what kind of products should you use (on pH scale)
9. heat produced after mixing the activator
10. substance that dissolves a solute and makes a solution
11. chemical combo of 2 or more atoms in fixed proportions
12. unabbrevated pH
16. what should be included if you wanted to have a measurable pH in your products/mixtures
18. liquids are able to mix together to form solutions
21. what does a reducing agent do to hydrogen to a chemical compound
22. substance that causes cancer
24. how many elements are known in science today
28. when liquids are not capable of being mixed to form a stable solution ex. water and oil
29. what kind of change happens when ice melts to water
30. what type of products should you make sure to store away from each other

1. substance that is dissolved in a solution
3. in SDS what is the next step after identification
4. any substance that occupies space and has weight
5. what does an oxidizing agent do to oxygen
6. how many elements occur naturally on earth
7. what can be added to a mixture that separates after being left out
11. what did the Safety Data Sheet replace (abbreviation)
12. what kind of mixture is air considered
13. combo of 2 or more different elements ex. NaCl table salt
14. basic units of matter
15. what kind of reaction happens when there is an absorption of heat from an external source
17. simplest form of chemical matter
19. when immiscible liquids are combines they form ___
20. how many categories is SDS formatted into
23. what is designed to be used in an emergency regarding hazardous chemicals (abbreviation)
25. acids owe their chemical reactivity to this ion
26. what does the overexposure principle and overexposure determine
27. how many accepted pictograms are included in all SDS