Question breakdown in Iron Gall Ink in Old Manuscripts (Q16–Q20)

Questions in Iron Gall Ink in Old Manuscripts (Chemistry Practice Examination · 119)
QuestionResponse TypeTopicNYSP12SLS StandardAction
Question 161-credit Multiple Choice (4 options)SolutionsHS-PS1-10Solve in workspace →
Question 171-credit Constructed Response (rubric-scored)Stoichiometry and conservationHS-PS1-7Solve in workspace →
Question 181-credit Multiple Choice (4 options)Stoichiometry and conservationHS-PS1-7Solve in workspace →
Question 191-credit Constructed Response (rubric-scored)Acids and basesHS-PS1-11Solve in workspace →
Question 201-credit Multiple Choice (4 options)Engineering designHS-ETS1-3Solve in workspace →

Other clusters in Chemistry Practice Examination · 119

More phenomenon clusters from Chemistry Practice Examination · 119
QuestionsCluster & TopicsFormatPractice
1–5Tracing Soil Erosion with Cesium-137Fallout from 1960s weapons tests in hillside farm soil: half-life, beta decay and ion charge, Group 1 periodic trendsNuclear chemistry · Periodic patterns (HS-PS1-8, HS-PS1-1)3 MC, 2 CRPractice cluster
6–10Insulation Blankets on a SpacecraftThin films worn away by atomic oxygen in orbit: bond energy, conservation of atoms, and converting mass to atomsBonding and formulas · Stoichiometry and conservation · Materials and structure · Periodic patterns (HS-PS1-4, HS-PS1-7, HS-PS1-2, HS-PS1-1)3 MC, 2 CRPractice cluster
11–15Breathing Oxygen in a Hyperbaric ChamberPressurized pure oxygen to treat carbon monoxide poisoning: gas pressure, molar volume, collisions and rateReaction rates · Gases (HS-PS1-5, HS-PS1-9, HS-PS1-3)3 MC, 2 CRPractice cluster
21–25Keeping Steel Rebar Safe Inside ConcreteBridge concrete slowly absorbing CO₂ from air: pH and hydroxide ions, mass from mole ratios, and indicatorsAcids and bases · Stoichiometry and conservation (HS-PS1-11, HS-PS1-7)3 MC, 2 CRPractice cluster
26–30A Flameless Heater for a Field MealWarming a soldier's meal with magnesium and salt water: chemical energy, balanced equations, and reaction rateThermochemistry · Stoichiometry and conservation · Reaction rates · Engineering design (HS-PS1-4, HS-PS1-7, HS-PS1-5, HS-ETS1-3, HS-PS3-1)3 MC, 2 CRPractice cluster
31–35Storing Hydrogen in a Metal HydrideFuel-cell hydrogen held in a lanthanum–nickel alloy: Le Châtelier's principle, mole ratios, and conservation of massEquilibrium · Stoichiometry and conservation · Materials and structure (HS-PS1-6, HS-PS1-7, HS-PS2-6)3 MC, 2 CRPractice cluster
36–40Coloring Aluminum Climbing CarabinersSpark-testing and anodizing an aluminum alloy: bright-line spectra, electrolysis, and bonding and brittlenessElectromagnetic radiation · Engineering design · Oxidation and reduction · Materials and structure (HS-PS4-4, HS-ETS1-3, HS-PS1-12, HS-PS2-6)3 MC, 2 CRPractice cluster
41–45Joseph Black and the Heat Hidden in Melting IceEqual masses of ice and cold water warming in a room: heating curves, heat of fusion, and attractions between moleculesThermochemistry · Intermolecular forces (HS-PS3-1, HS-PS1-3)3 MC, 2 CRPractice cluster
46–50Fall Color in the AdirondacksMaple leaf pigments and seasonal CO₂ levels: light absorption, molecular structure and solubility, and photosynthesisElectromagnetic radiation · Materials and structure · Photosynthesis · Engineering design (HS-PS4-4, HS-PS2-6, HS-LS1-5, HS-ETS1-2)3 MC, 2 CRPractice cluster

Frequently asked questions

How is Iron Gall Ink in Old Manuscripts · Chemistry Practice Examination · 119 Chemistry Regents Cluster (Q16–Q20) structured on New Regents?
Old manuscripts damaged by iron ink: solubility curves, conservation of charge, and acidity and pH treatments. Practice the Iron Gall Ink in Old Manuscripts phenomenon cluster (Q16–Q20: 3 MC, 2 CR) from Chemistry Practice Examination · 119 (Physical Science: Chemistry). Covers Solutions, Stoichiometry and conservation, Acids and bases, Engineering design (HS-PS1-10, HS-PS1-7, HS-PS1-11, HS-ETS1-3) with the 2025 Reference Tables and scoring guide. Every question is worth 1 raw credit and pairs with the 2025 Edition Reference Tables, automatic multiple-choice key checking, and step-by-step constructed-response scoring guidance.
Can I practice one phenomenon cluster at a time or sit the full exam?
Yes. In the New Regents workspace you can launch any individual 4–6 question cluster in Learn mode (with strategy prompts) or sit the complete examination in Exam mode, then review every answer against the official-style scoring guide.