Question

please tell the answer ​...its urgent

Answer 1

Answer:

1. (d) all of the above

2. (b) 2

3. (d) all of the above

4. (b) sodium bicarbonate

5. (c) both of the above

6. (a) more weaker

7. (d) weak base and their conjugate acid

8. (a) at its pka value

9. (b) acids-ph range below 7

10. (d) hydrogen gas

Explanation: