5. Give tests for a chloride, sulphide, sulphate, nitrate, and carbonate.
6. Give the names of three commercial forms of carbon. Tell how each is made and the purpose for which it is used.
7. What compound is formed when carbon is burned in air?
8. Tell process of making lime and mortar from limestone.
9. Why will fresh plaster harden quicker by burning charcoal in an open vessel near it?
Civics
To obtain a merit badge for Civics a scout must
1. State the principal citizenship requirements of an elector in his state.
2. Know the principal features of the naturalization laws of the United States.