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Test Description: Game on preparation of salts :D
Instructions: Answer all questions to get your test result.
1) Which two substances react to form a salt and water only?
A
Aq Silver nitrate and aq sodium chloride
B
Dilute HCl and Zn
C
Dilute ethanoic acid and aq sodium hydroxide
D
Dilute sulfuric acid and aq sodium carbonate
2) From which reaction is a gas produced?
A
Adding dilute sulfuric acid to copper
B
Adding calcium to water
C
Adding dilute HCl to silver
D
Electrolyzing aq copper(II) sulfate, using copper electrodes
3) All of the following salts can form saturated solutions except...
A
Sodium Sulfate
B
Copper(II)Sulfate
C
Sodium Chloride
D
Copper(II)Chloride
4) For insoluble salts, the method of preparation is....
A
Metal + acid
B
Titration
C
Metal + carbonate
D
Precipitation
5) Which salt is insoluble?
A
Sodium chloride
B
Lead(II)chloride
C
Sodium sulfate
D
Copper Nitrate
6) Which is incorrect?
A
All nitrates are soluble.
B
All carbonates are insoluble except K, ammonium and Na
C
All chlorides are soluble except silver, lead(II) and barium
D
All potassium, ammonium, sodium salts are soluble.
7) Which of the following does not react with dilute sulfuric acid?
A
Mg
B
Sodium carbonate
C
Copper Metal
D
Potassium Hydroxide
8) Both MgO and Mg carbonate react with dilute sulfurice acid. How are they similar?
A
A gas is set free
B
An acid is neutralized by a soluble base
C
Water is a product
D
Sulfuric acid is acting as an oxidizing agent
9) Which of the following is NOT a way of preparing soluble salts?
A
Acid + metal
B
Titration
C
Precipitation
D
Acid + carbonate
10) Which substance does not produce copper(II)sulfate when added to dilute sulfuric acid?
A
Copper(II)hydroxide
B
Copper
C
Copper(II)carbonate
D
Copper(II) oxide
*select an answer for all questions
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