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Unit#6: Salts

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Question 1 of 20 0% read

1. Which salt is known as washing soda?

A Sodium bicarbonate
B Sodium carbonate
C Sodium chloride
D Calcium carbonate

2. Which salt is used in making soap?

A Sodium hydroxide
B Sodium carbonate
C Sodium chloride
D Calcium carbonate

3. What is a salt in chemistry?

A An acid only
B A base only
C Product of acid and base neutralization
D An element

4. Which salt has sour taste?

A Basic salt
B Neutral salt
C Acidic salt
D Double salt

5. Which salt is green in color?

A Copper sulfate
B Iron sulfate
C Sodium chloride
D Silver nitrate

6. Which salt is commonly used as a fertilizer?

A Sodium chloride
B Ammonium nitrate
C Copper sulfate
D Sodium carbonate

7. Which salt is used in photography?

A Silver bromide
B Sodium chloride
C Potassium nitrate
D Copper sulfate

8. Which salt is formed when hydrochloric acid reacts with sodium hydroxide?

A Sodium sulfate
B Sodium nitrate
C Sodium chloride
D Sodium carbonate

9. Which salt turns red litmus blue?

A Acidic salt
B Neutral salt
C Basic salt
D Normal salt

10. Which salt is used in water softening?

A Sodium carbonate
B Sodium chloride
C Calcium chloride
D Magnesium sulfate

11. Which salt contains water of crystallization?

A Anhydrous salt
B Hydrated salt
C Dry salt
D Neutral salt

12. Which method is used to prepare insoluble salts?

A Evaporation
B Precipitation
C Crystallization
D Neutralization only

13. Which of the following is a common salt?

A Sodium chloride
B Hydrochloric acid
C Sodium hydroxide
D Water

14. Which salt is known as baking soda?

A Sodium carbonate
B Sodium chloride
C Sodium bicarbonate
D Calcium hydroxide

15. Which property is common in most salts?

A Liquid state
B Low melting point
C Crystalline solid
D Gaseous nature

16. Which salt is used in washing powders?

A Sodium carbonate
B Potassium nitrate
C Ammonium chloride
D Copper sulfate

17. Which salt is commonly used in laboratories for drying gases?

A Calcium chloride
B Sodium chloride
C Copper sulfate
D Ammonium chloride

18. Which salt conducts electricity in molten state?

A Covalent salt
B Ionic salt
C Organic salt
D Neutral compound

19. Which salt is prepared by neutralization reaction?

A Sodium chloride
B Calcium carbonate
C Sodium sulfate
D All of these

20. Which salt is used in electroplating?

A Copper sulfate
B Sodium chloride
C Calcium carbonate
D Potassium nitrate

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