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Hydrochloric acid: Quiz


Question 1:
What is Hydrochloric acid also known as?
Muriatic acid, Spirit of Salt, Chlorane
Fast spirit Yellow
bromic acid, calcium salt
, barium salt

Question 2: In aqueous hydrochloric acid, the H+ joins a water molecule to form a ________ ion, H3O+:[7][8]
HydroniumHydrogenAmmoniaAcid dissociation constant

Question 3: Upon mixing hydrochloric acid with common oxidizing chemicals, such as sodium hypochlorite (bleach, NaClO) or potassium permanganate (KMnO4), the toxic gas ________ is produced.

Question 4: ________ or peptic ulcers can develop when these mechanisms fail.

Question 5: Hydrochloric acid is the preferred acid in ________ for determining the amount of bases.
Melting point apparatusChromatographyElectrochemistryTitration

Question 6: Many chemical reactions involving hydrochloric acid are applied in the production of food, food ingredients, and ________.
E numberMilkFood additiveFood chemistry

Question 7: Hydrogen chloride (HCl) is a ________, which means it can dissociate (i.e., ionize) only once to give up one H+ ion (a single proton).
Acid–base reactionAcid dissociation constantAcidOxygen

Question 8: During the ________ in Europe, demand for alkaline substances increased.
Textile manufacture during the Industrial RevolutionIndustrial RevolutionWilliam RadcliffeThomas Highs

Question 9: Joseph Priestley of Leeds, England prepared pure hydrogen chloride in 1772, and in 1818 ________ of Penzance, England, proved that the chemical composition included hydrogen and chlorine.
Michael FaradayGeorge Biddell AiryWilliam Thomson, 1st Baron KelvinHumphry Davy

Question 10: With major production starting in the ________, hydrochloric acid is used in the chemical industry as a chemical reagent in the large-scale production of vinyl chloride for PVC plastic, and MDI/TDI for polyurethane.
Thomas HighsWilliam RadcliffeTextile manufacture during the Industrial RevolutionIndustrial Revolution


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