Class 7 Science MCQs - Chapter 22
Solutions Quiz Questions & Answers PDF Download - 11
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Solutions Exam Questions and Answers PDF Download: Test 11
The taste of acid is
- bitter
- sour
- sweet
- salty
Acidic soil and lake water can be neutralize by addition of
- acid rain
- fertilizers
- lime
- caustic soda
A mixture of different types of indicators that is used to determine the acidity of a substance is called
- indicator
- pH scale
- pH meter
- universal indicator
Mass of a solution is equal to the mass of solvent plus
- mass of solute
- mass of product
- mass of heat
- surface area
Vinegar contains an acid "acetic acid" which has other name
- ethanoic acid
- acetic acid
- citric acid
- carbonic acid
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