| . 1 pt(s). |
When an alkali is mixed with an acid, neutralisation occurs because the — | |
 |
A. | base cools down |
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B. | acid evaporates |
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C. | base chemically reacts with the acid |
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D. | mass of the solution increases |
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| . 1 pt(s). |
Complete the equation:… Magnesium + hydrochloric acid —> ……..+ water | |
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A. | Magnesium chlorate |
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B. | Magnesium chloride |
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C. | Magnesium chlorite |
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D. | Magnesium hydrochloride |
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| . 1 pt(s). |
An alkali is able to “cancel” out an acid. What is the chemical name for cancelling out the acid? | |
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A. | nullify |
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B. | annihalate |
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C. | neutralise |
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D. | overcome |
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| . 1 pt(s). |
What does this paper indicate?
|
||
|
A. | The paper is nonreactive | |
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B. | The liquid is acidic | |
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C. | The liquid is water | |
| |
D. | The liquid is alkaline | |
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| . 1 pt(s). |
With what would you neutralise potassium hydroxide to produce potassium nitrate? | |
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A. | hydrochloric acid |
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B. | sulphuric acid |
| |
C. | nitric acid |
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D. | citiric acid |
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| . 1 pt(s). |
Which alkali would be reacted with hydrochloric acid to form lithium chloride? | |
| |
A. | lithium hydorxide |
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B. | sodium hydroxide |
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C. | sodium chloride |
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D. | lithium nitrate |
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| . 1 pt(s). |
A purple colour when using universal indicator indicates the solution is | |
|
A. | neutral |
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B. | acidic |
| |
C. | alkali |
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D. | blackcurrant juice |
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| . 1 pt(s). |
A yellow colour when using universal indicator tells you that the solution must be a | |
|
A. | strong alkali |
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B. | weak alkali |
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C. | neutral solution |
| |
D. | weak acid |
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E. | strong acid |
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| . 1 pt(s). |
What does lemon juice contain to make it acidic? | |
| |
A. | citiric acid |
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B. | hydrochloric acid |
|
C. | baking soda |
|
D. | sodium hydroxide |
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| . 1 pt(s). |
Milk of magnesia is a medicine used to treat indigestion. Milk of magnesia is most likely to be | |
| |
A. | alkali |
|
B. | neutral |
|
C. | from a cow |
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D. | acidic |
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| . 1 pt(s). |
The pH of the stomach juices is most likely to be | |
| |
A. | 2 |
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B. | 5 |
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C. | 7 |
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D. | 9 |
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E. | 11 |
