Salt Preparation And Qualitative Analysis (Zhengkang Jinan)
10 Questions
| Total Attempts: 135
This quiz is about QA and salt preparation. It is best if you have viewed the videos in the website.
Questions and Answers
- 1.Which of the following is not soluble?
- A.
Sodium Nitrate
- B.
Potassium carbonate
- C.
Copper hydroxide
- D.
Ammonium Iodide
- 2.A salt that is an oxide/hydroxide is called a/an:
- A.
Acid
- B.
Alkali
- C.
Base
- D.
Ion
- 3.Which of the following is NOT a method of preparing soluble salts?
- A.
Metal-Acid reaction
- B.
Titration
- C.
Carbonate-Acid reaction
- D.
Precipitation
- 4.Most soluble salt crystals are prepared by crystallisation. One that is not is:
- A.
Sodium Chloride
- B.
Ammonium Iodide
- C.
Gold Nitrate
- D.
Potassium Hydroxide
- 5.The metal-acid reaction shown in the video is:
- A.
Silver+Nitric acid
- B.
Gold+Nitric acid
- C.
Silver+Hydrochloric acid
- D.
Silver+Ethanoic acid
- 6.Which of the following is NOT prepared by titration?
- A.
Sodium Sulfate
- B.
Potassium Chloride
- C.
Rubidium Nitrate
- D.
Sodium Hydroxide
- 7.Precipitaion is where ______________ reactants are added together to form a solution with a precipitate.
- A.
Two insoluble
- B.
Two basic
- C.
Two soluble
- D.
Two acidic
- 8.9. It is impossible to directly react an insoluble compound to prepare an insoluble salt as a/an _______ would be formed around the compound, preventing further reaction.
- A.
Coating
- B.
Cover
- C.
Cap
- D.
Block
- 9.Heating to saturation, cooling and filtering is called
- A.
Heat forcing
- B.
Crystallisation
- C.
Evaporation to dryness
- D.
Filtration
- 10.Insoluble base-acid reaction forms:
- A.
Salt, Carbon Dioxide and water
- B.
Salt and water
- C.
Salt, Ammonia and water
- D.
Salt and hydrogen
Choose the best method to prepare the following compounds.
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