3091023
Beschreibung
Quiz von asthanarang, aktualisiert more than 1 year ago
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Erstellt von asthanarang
vor mehr als 9 Jahre
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Frage 1
Frage
Tasting is the best way to identify if a solution is acidic or basic.
Antworten
- True
- False
Frage 2
Frage
In neutral solution, litmus is ________ in colour.
Antworten
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Red
-
Blue
-
Purple
-
Green
Frage 3
Frage
Which of the following can be used as acid-base indicators? Select all correct options
Antworten
-
Safranin
-
Bromthymol blue
-
Methyl orange
-
Methylene blue
Frage 4
Frage
Onion and vanilla are ___________.
Antworten
-
Acids
-
Bases
-
Visual indicators
-
Olfactory indicators
Frage 5
Frage
Which indicator is pink in alkaline solution?
Antworten
-
Phenolphthalein
-
Litmus
-
Methyl orange
-
Safranin
Frage 6
Frage
Lichens are symbiotic relatonships between:
Antworten
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Protozoa and fungi
-
Algae and fungi
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Algae and protozoa
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Bacteria and fungi
Frage 7
Frage
Which of tbe following can be used as visual indicators?
Antworten
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Turmeric, clove oil and red cabbage
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Red cabbage, petals of Geranium and vanilla extract
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Petals of Geranium, red cabbage and turmeric
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Green cabbage, turmeric and clove oil
Frage 8
Frage
The characteristic smell of onion disappears when _________ is added to it.
Antworten
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Tartaric acid
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Ammonium hydroxide
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Phenolphthalein
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Vegetable oil
Frage 9
Frage
A dark blue colour on pH paper indicates that the test solution is basic in nature.
Antworten
- True
- False
Frage 10
Frage
What will be the colour of litmus solution when it is tested with detergent solution?
Antworten
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Red
-
Blue
-
Purple
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Depends on the brand of the detergent
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