Choose a suitable material of construction for the following duties: 

1. 98% w/w sulfuric acid at 708C; 

2. 5% w/w sulfuric acid at 308C; 

3. 30% w/w hydrochloric acid at 508C; 

4. 5% aqueous sodium hydroxide solution at 308C; 

5. Concentrated aqueous sodium hydroxide solution at 508C; 6. 5% w/w nitric acid at 308C; 

7. Boiling concentrated nitric acid; 

8. 10% w/w sodium chloride solution; 

9. A 5% w/w solution of cuprous chloride in hydrochloric acid; 

10. 10% w/w hydrofluoric acid. In each case, select the material for a 50 mm pipe operating at approximately 2 bar pressure.