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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
Dilute HCl and Zn
B
Dilute sulfuric acid and aq sodium carbonate
C
Dilute ethanoic acid and aq sodium hydroxide
D
Aq Silver nitrate and aq sodium chloride
2) From which reaction is a gas produced?
A
Adding calcium to water
B
Adding dilute HCl to silver
C
Electrolyzing aq copper(II) sulfate, using copper electrodes
D
Adding dilute sulfuric acid to copper
3) All of the following salts can form saturated solutions except...
A
Sodium Chloride
B
Sodium Sulfate
C
Copper(II)Sulfate
D
Copper(II)Chloride
4) For insoluble salts, the method of preparation is....
A
Metal + acid
B
Precipitation
C
Titration
D
Metal + carbonate
5) Which salt is insoluble?
A
Copper Nitrate
B
Lead(II)chloride
C
Sodium sulfate
D
Sodium chloride
6) Which is incorrect?
A
All carbonates are insoluble except K, ammonium and Na
B
All nitrates are soluble.
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
Copper Metal
B
Mg
C
Sodium carbonate
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
Water is a product
C
An acid is neutralized by a soluble base
D
Sulfuric acid is acting as an oxidizing agent
9) Which of the following is NOT a way of preparing soluble salts?
A
Acid + carbonate
B
Precipitation
C
Titration
D
Acid + metal
10) Which substance does not produce copper(II)sulfate when added to dilute sulfuric acid?
A
Copper
B
Copper(II)carbonate
C
Copper(II) oxide
D
Copper(II)hydroxide
*select an answer for all questions
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