Quick Quiz Chapter 6 Acids, Bases and Salts
Assessment
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Deleted User
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Chemistry
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10th - 11th Grade
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295 plays
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Hard
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10 questions
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1.
Multiple Choice
Which of the following is true about ammonia solution in methylbenzene?
Has pH value more than 7
No change on red litmus paper
Ionises partially to produce hydroxide ions
Ammonium ions and hydroxide ions move freely in the solution
2.
Multiple Choice
Several drops of nitric acid are added to a test tube that is filled with potassium chloride solution. What is the most suitable pH value for the mixture?
2.0
5.5
7.0
9.8
3.
Multiple Choice
Phosphoric acid is a weak acid that
has a pH value of 1.0
cannot neutralise alkaline solution
changes red litmus paper to blue
ionises partially in water to produce hydrogen ions
4.
Multiple Choice
Which chemical equation represents a neutralisation reaction?
Mg + H2SO4 → MgSO4 + H2
ZnCl2 + 2HNO3 → Zn(NO3)2 + 2HCl
2HCl + CaCO3 → CaCl2 + CO2 + H2O
NaOH + CH3COOH → CH3COONa + H2O
5.
Multiple Choice
14.9 g of solid potassium chloride, KCl needs to be dissolved in distilled water to produce 0.4 mol dm-3 potassium chloride solution, KCl. What is the volume of distilled water needed to dissolve the solid potassium chloride ?
[Molar mass of KCL = 74.5 g mol-1]
50 cm3
200 cm3
500 cm3
2 000 cm3
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