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Q 1/47
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It is a substance that forms hydrogen ions when added to water
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Q 2/47
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They are found everywhere, in the laboratory, or even at home
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47 questions
Q.
It is a substance that forms hydrogen ions when added to water
1
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Q.
They are found everywhere, in the laboratory, or even at home
2
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Q.
It is a substance that gives off hydroxide ions when combined with water
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Q.
It is a strip of paper that can be used to determine if the substance is an acid or a base
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Q.
This reaction forms a salt (an ionic compound) and water
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Q.
It is a base used to neutralize the hydrochloric acid in the stomach
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Q.
It is used to measure the strength of an acid or a base
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Q.
Who is the Danish chemist that invented the pH scale
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Q.
When was the pH scale invented
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Q.
What french word did pH came from
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Q.
What does pouvior hydrogene mean
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Q.
It is defined as the negative lograrithm of the hydrogen concentration
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Q.
What is the pH of hydrochloric acid
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Q.
What is the pH of black coffee
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Q.
What is the pH value of alkaline substances
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Q.
What is the pH of household ammonia
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Q.
What is the pH of baking soda
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Q.
It is used to determine if a solution is acidic, basic, or neutral
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Q.
Its package container has a color-coded scale indicating the pH value
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Q.
It is dipped in the substance to be tested and the changein color is matched with the color-coded scale to determine the possible pH value of the substance
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Q.
This electric or battery powered device is used to measure the hydrogen ion acitivity in the solution
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Q.
It consists of a voltmeter and a pH-sensitive electrode
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Q.
It is a test solution of known pH
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Q.
This device must be regularly calibrated by dipping it into a buffer solution to give an accurate pH value
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Q.
It is a solution of known concentration
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Q.
A solution of known concentration is allowed to react with another solution of unknown concentration until the chemical reation between the two is complete
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Q.
What do you call a solution of unknown concentration
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Q.
In acid-base titration, it is added to determine the completion of the reaction
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Q.
What do you call the completion of the reaction
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Q.
They are usually weak organic aicds or bases which, when dissolved in wate, will dissociate and form ions
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Q.
It is the weak acid form of the indicator
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Q.
It is the hydrogen ion that dissociates
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Q.
It is the weak acid (negative ion) of the indicator
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Q.
It is colorless at a pH range of 8.0 - 10
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Q.
What is the pH range of Phenolphthalein
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Q.
They can also be derived from nature, from fruits, and even from vegetables
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Q.
Give an example of a strong acid
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Q.
Give an example of a strong base
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Q.
They must be stored in an acid-resistant cabinet and must contain a tray to catch any leakage
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Q.
This acid can be stored in a cabinet
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Q.
Where should you store small amounts of diluted acids
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Q.
These type of acids should be stored in well-ventilated places
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Q.
Where should you store fuming acids
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Q.
It is a basic substance that should be stored separately from acids
