Class 7 Science MCQs - Chapter 23

Solutions Trivia Questions and Answers PDF - 8

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Solutions Questions & Answers PDF Download: MCQ Quiz 8

MCQ 36: In alcohol, salt is

soluble
insoluble
reactive
completely soluble

MCQ 37: Tooth decay occurs in our mouth due to presence of

bacteria
virus
fungus
algae

MCQ 38: The bee sting is acidic in nature which can be neutralized and made less painful by applying

soap
lemon juice
vinegar
antacid

MCQ 39: The number of factors on which solubility depends, is

MCQ 40: When one or more solutes dissolve in a solvent they make a

solute
solvent
mixture
solution

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