NEW
Font size
S
M
L
XL
Worksheetsacids and bases class test
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
The correct of making a solution of acid in water is
a)
add water to acid
b)
add acid to water
c)
mix acid and water simultaneously
d)
add water to acid in a shallow container
2.
products of a neutralisation reaction are always
a)
an acid and a base
b)
an acid and a salt
c)
salt and water
d)
salt and base
3.
turmeric is a natural indicator . on adding it paste to acid and base separately,which colors would be observed?
a)
yellow in both acid and base
b)
yellow in acid and red in base
c)
pink in acid and yellow in base
d)
red in acid and blue in base
4.
phenolphthalein is a synthetic indicator and its colors in acidic and basic solutions,respectively are
a)
red and blue
b)
blue and red
c)
pink and colorless
d)
colorless and pink
5.
when the soil is too basic plants do not grow well in it to improve its quality what must be added to the soil?
a)
organic matter
b)
quick lime
c)
slaked lime
d)
calamine solution
6.
litmus is a natural dye is an extract of which of the following?
a)
china rose
b)
beetroot
c)
lichen
d)
blueberries
7.
neutralisation reaction is
a)
physical and reversible change
b)
physical change that cannot be reversed
c)
chemical and reversible change
d)
chemical change that cannot be reversed
8.
a solution changes the color of turmeric indicator from yellow to red the solution is
a)
basic
b)
acidic
c)
neutral
d)
either neutral or acidic
9.
which of the following set of substance contain acids
a)
grapes,limewater
b)
vinegar,soap
c)
curd,milk of magnesia
d)
curd,vinegar
10.
which of the following is an acid-base indicator?
a)
vinegar
b)
limewater
c)
turmeric
d)
bakingsoda
Reset
