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