2O24 FIRST TERM EXAMINATION CHEMISTRY JSS3

Welcome to your 2O24 FIRST TERM EXAMINATION CHEMISTRY JSS3

1.Range of pH scale is

2. pH of acidic salt is

3. Acids that ionize completely to release all its replaceable hydrogen ions is

4. Which of the following is used as an indicator in the titration of a strong acid and a weak base?

5. Litmus is used to test either the substance is

6. What is the endpoint of a titration

7. The name of the apparatus used for holding the titrant is__________

8. The Acid solution is also known as_________ in titration.

9. A water solution who's pH is 10

10. An acid-base titration involves a

11. A standard solution always contains

12. In which group of the periodic table is Chlorine located?

13. What is the chemical name of common table salt?

14. What is the atomic number of Chlorine?

15. You should never taste or touch to identify a base because they can be

16. Acids have _____ taste.

17. Which type of solution turns red litmus paper blue

18. Which among the following is a double salt?

19. Chlorine readily reacts with

20. When a solution contains more acid than the quantity of water, it is called

1. _____ is used as a bleaching agent.

2. Basicity is called _____

3. Apparatus used for volume measurement in the laboratory is ______

4. ______ are artificially made acids

5. CH3COOH is an example of ______

6. _____ is an example of complex salt

7. Chlorine has _______ colour.

8. _____ is an example of organic acid.

9. _____ and 10. _____ are types of bases.

ESSAY QUESTIONS ANSWER ALL 1a. What is Titration? 1b. List and explain 2 types of titration

2a. Define Salt. 2b list 4 types of salt. 2c. Explain 2 in 2b and give one example

3a. What is an Acid? 3b State 3 physical properties of an acid. 3c list 2 chemical properties of acids.

4a. What do you understand by the word ‘HYPO’? 4b. State 3 uses of Chlorine

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