Science (Acids Bases And Salts)
7th Grade
•13 Qs
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Science (Acids Bases And Salts)
Quiz
•
Science
•
7th Grade
•
Hard
+1
Standards-aligned
Sukla Dinda
Used 104+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Out of these gases which one is used in fire extinguishers
SO2
CO2
NO2
H2O
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Products of a neutralisation reaction are always:
Salts and water
Acid and Bases
Acid and water
Bases and Water
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Turmeric is a natural indicator. On adding its paste to acid and base separately, which colours would be observed.
Yellow in both acid and base
Yellow in acid and red in base
Pink in acid and yellow in base
Red in acid and blue in base
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, respectively are:
red and blue
blue and red
pink and colourless
colourless and pink
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When the soil is too basic, plants do not grow well in it. To improve its quality what must be added to the soil?
Organic matter
Quick lime
Calamine solution
Slaked lime
Tags
NGSS.MS-LS1-5
NGSS.MS-LS2-1
NGSS.MS-LS2-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The correct way of making a solution of acid in water is to
add water to acid
add acid to water
mix acid and water simultaneously
add water to acid in a shallow container.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
‘Litmus’, a natural dye is an extract of which of the following?
China rose (Gudhal)
Beetroot
Lichen
Blueberries
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