pH Scale: Acid and Alkali Quiz Questions and Answers PDF Download eBook
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"Toothpaste has an average pH of", ph scale acid and alkali Multiple Choice Questions (MCQ) with choices 4, 0, 8, and 12 for free online college classes. Learn acids and bases questions and answers to improve problem solving skills for accelerated bachelors degree online.
Quiz on pH Scale: Acid & Alkali PDF Download eBook
MCQ: Toothpaste has an average pH of
MCQ: Consider the equation PbO + NaOH + H2O → Na2Pb(OH)4. The balancing of the equation requires how much moles of NaOH?
MCQ: In the fractionating column of fractional distillation, as we go higher in the column the
- temperature becomes lower
- temperature becomes higher
- minimum absorption is carried out
- risks of sublimation exists
MCQ: After centrifugation when the sublimate settles, the clear liquid can be
- allowed to rest
- allowed to form crystals
- decanted off
MCQ: While Iodide ion (I-) oxidizes to Iodine (I2), a change in color from colorless to
- brown occurs
- pink occurs
- blue occurs
- violet occurs