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Quiz by asthanarang, created more than 1 year ago

Chemistry Quiz on Indicators, created by asthanarang on 07/21/2015.

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chemistry

	Created by asthanarang about 9 years ago

3091023

quiz

2016-02-19T08:22:50Z

Indicators

Each question in this quiz is timed.

Begin Quiz

Question 1 of 10

Tasting is the best way to identify if a solution is acidic or basic.

Select one of the following:

True
False

Explanation

Question 2 of 10

In neutral solution, litmus is ________ in colour.

Select one of the following:

Red
Blue
Purple
Green

Explanation

Question 3 of 10

Which of the following can be used as acid-base indicators? Select all correct options

Select one or more of the following:

Safranin
Bromthymol blue
Methyl orange
Methylene blue

Explanation

Question 4 of 10

Onion and vanilla are ___________.

Select one or more of the following:

Acids
Bases
Visual indicators
Olfactory indicators

Explanation

Question 5 of 10

Which indicator is pink in alkaline solution?

Select one of the following:

Phenolphthalein
Litmus
Methyl orange
Safranin

Explanation

Question 6 of 10

Lichens are symbiotic relatonships between:

Select one of the following:

Protozoa and fungi
Algae and fungi
Algae and protozoa
Bacteria and fungi

Explanation

Question 7 of 10

Which of tbe following can be used as visual indicators?

Select one of the following:

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

Explanation

Question 8 of 10

The characteristic smell of onion disappears when _________ is added to it.

Select one of the following:

Tartaric acid
Ammonium hydroxide
Phenolphthalein
Vegetable oil

Explanation

Question 9 of 10

A dark blue colour on pH paper indicates that the test solution is basic in nature.

Select one of the following:

True
False

Explanation

Question 10 of 10

What will be the colour of litmus solution when it is tested with detergent solution?

Select one of the following:

Red
Blue
Purple
Depends on the brand of the detergent

Explanation

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3091023

quiz

2016-02-19T08:22:50Z

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