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WorksheetsACIDS BASES AND SALTS- GRADE 7
Total questions: 10
Worksheet time: 8mins
which of the following set of substances contains acids?
orange, vinegar, water
lemon, orange, curd
soap, toothpaste, washing soda
antacid, lime water, chewing gum
which of the following is a base?
apple juice
baking soda
vinegar
water
Pure water has a pH of 7. Pure water is..
slightly basic
slightly acidic
neutral
none
Which of the following is an acid-base indicator?
vinegar
litmus paper
HCl
bleach
Products of a neutralization reaction are always:
acid + base
salt + base
water + acid
salt + water
Name the acid present in sting of an ant.
formic acid
HCl
lactic acid
vinegar
lemon drop turns
red litmus blue
blue litmus red
Name the acid present in our stomach.
sulphuric acid- H2SO4
hydrochloric acid- HCl
nitric acid- HNO3
citric acid
taste of an acid is..
sour
spicy
bitter
sweet
taste of base is..
sour
spicy
bitter
sweet
