An example of an acidic oxide is: MgO, CO2, BaO, Na2O
Acids, bases and salts

Flashcard
•
Chemistry
•
10th - 11th Grade
•
Hard
Franklin Jones
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16 questions
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1.
FLASHCARD QUESTION
Front
Back
CO2
2.
FLASHCARD QUESTION
Front
Compound X was added to water, resulting in a pH < 7 and effervescence with calcium carbonate. What could compound X be?
Back
HNO3
3.
FLASHCARD QUESTION
Front
A solution was added to some ammonium chloride then heated. A gas with a pungent smell that turned moist red litmus blue was produced. What could have been present in the original solution?
Back
potassium hydroxide
4.
FLASHCARD QUESTION
Front
Sequence for synthesizing lead iodide from the following steps: 1. Mix lead nitrate and potassium iodide 2. Dry 3. Filter 4. Mix lead sulphate and potassium iodide
Back
1, 3, 2
5.
FLASHCARD QUESTION
Front
A salt was being prepared by adding an acid to a carbonate. However, after a while, the reaction ceased and a precipitate began to form without all of the carbonate reacting. Which of the following pairs of acid and carbonate? Options: CaCO3, H2SO4; CuCO3, HCl; BaCO3, HNO3; Na2CO3, H2SO4
Back
CaCO3, H2SO4
6.
FLASHCARD QUESTION
Front
Sodium hydroxide was added to a solution and a white precipitate formed, then dissolved in excess. Aqueous ammonia formed a white precipitate that did not dissolve. Which ion could be present? Options: Fe2+, Al3+, Zn2+, Ca2+
Back
Al3+
7.
FLASHCARD QUESTION
Front
What is the best way of making zinc carbonate?
Back
Shake solid zinc sulphate with water and add aqueous sodium carbonate
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