What are examples of demographic?

What are 3 examples of of substances that act like a base/acid indicator?

• Help! 1.What are 3 examples of of substances that act like a base/acid indicator? 2. What are 3 example of a strong base and 3 examples of a weak base? 3. What are 3 example of a strong acid and 3 examples of a weak acid? 4. How can you tell if a substance is acid? 5. How can you tell if a substance is base? 6. What are the differences between a strong and a weak acid? 7. What are the differences between a strong and a weak base? 8. What happens to the pH of both substances? 9. How do you measure the strength of an acid and a base? 10. What is the pH i the solution is acidic? Neutral? Basic? 11. What is a visual representation of acid used as common household products? 12. What is a visual representation of base used as common household products? *Please help with as many as possible! Thank You!

• Answer:

  1. universal indicator. red litmus paper/ blue litmus paper. 2. HCL, H2SO4 are strong acids i forgot bout bases thou. 3. forgotten.. 4. they're acidic if u use a blue litmus paper n it turns red. 5. use red litmus and turns blue.. 6. difference in its acidity like whether it can corrode diff materials. 9.using an universal indicator.. 10. 1-6 (acid, being 1 strongest and 6 weakest) 8-14(base being 8 weakest 14 strongest) 7 is neutral eg. water/ 11/12. detergent?? soap?? not sure which one it belongs to thou ill add more if i thought of any..