Question breakdown in From Fertilizer Crystals to Stock Solution (Q16–Q20)
| Question | Response Type | Topic | NYSP12SLS Standard | Action |
|---|---|---|---|---|
| Question 16 | 1-credit Multiple Choice (4 options) | Solutions | HS-PS1-10 | Solve in workspace → |
| Question 17 | 1-credit Constructed Response (rubric-scored) | Solutions | HS-PS1-10 | Solve in workspace → |
| Question 18 | 1-credit Multiple Choice (4 options) | Stoichiometry and conservation | HS-PS1-7 | Solve in workspace → |
| Question 19 | 1-credit Constructed Response (rubric-scored) | Stoichiometry and conservation | HS-PS1-7 | Solve in workspace → |
| Question 20 | 1-credit Multiple Choice (4 options) | Bonding and formulas | HS-PS1-2 | Solve in workspace → |
Other clusters in Chemistry Practice Examination · 114
| Questions | Cluster & Topics | Format | Practice |
|---|---|---|---|
| 1–5 | Self-Luminous Exit Sign TubesHow tritium tubes make exit signs glow: beta decay equations, nuclear vs chemical energy, and valence electronsNuclear chemistry · Periodic patterns · Engineering design (HS-PS1-8, HS-PS1-1, HS-ETS1-1) | 3 MC, 2 CR | Practice cluster |
| 6–10 | Graphite at a Moving ContactGraphite motor brushes: Period 2 trends, molecular formulas, mobile electrons, and graphite's softnessPeriodic patterns · Bonding and formulas · Materials and structure · Intermolecular forces · Polarity and molecular structure (HS-PS1-1, HS-PS1-2, HS-PS2-6, HS-PS1-3, HS-PS3-5) | 3 MC, 2 CR | Practice cluster |
| 11–15 | A Lift Bag in Changing PressureA lift bag pushed deeper: Boyle's law and particle collisions, the combined gas law, CO₂ mole ratios, and specific heatGases · Stoichiometry and conservation · Thermochemistry (HS-PS1-9, HS-PS1-7, HS-PS3-1) | 3 MC, 2 CR | Practice cluster |
| 21–25 | A Stone Surface in Acidic RainAcid rain on marble and limestone: pH and hydronium ion concentration, proton donors and acceptors, and dilutionAcids and bases · Solutions (HS-PS1-11, HS-PS1-10) | 3 MC, 2 CR | Practice cluster |
| 26–30 | Hydrogen Peroxide DecompositionCollecting oxygen with and without MnO₂: potential energy diagrams, activation energy, mole ratios, and specific heatThermochemistry · Reaction rates · Stoichiometry and conservation (HS-PS1-4, HS-PS1-5, HS-PS1-7, HS-PS3-1) | 3 MC, 2 CR | Practice cluster |
| 31–35 | Heating LimestoneA lime kiln with CO₂ capture: temperature and Le Châtelier's principle, CO₂ volume at STP, Group 2 trends, surface areaEquilibrium · Stoichiometry and conservation · Periodic patterns · Engineering design · Reaction rates (HS-PS1-6, HS-PS1-7, HS-PS1-1, HS-ETS1-3, HS-PS1-5) | 3 MC, 2 CR | Practice cluster |
| 36–40 | Copper Electrodes and Conducting WiresA copper-transfer cell and copper oxide: half-reactions, oxidation numbers, metallic bonding, and water near Cu²⁺Oxidation and reduction · Materials and structure · Polarity and molecular structure (HS-PS1-12, HS-PS2-6, HS-PS3-5) | 3 MC, 2 CR | Practice cluster |
| 41–45 | Recharging a Reusable Heat PackSodium acetate crystallizing and remelting: ionic attractions and energy, specific heat, mass percent, water orientationIntermolecular forces · Thermochemistry · Solutions · Polarity and molecular structure (HS-PS1-3, HS-PS3-1, HS-PS1-10, HS-PS3-5) | 3 MC, 2 CR | Practice cluster |
| 46–50 | A Camera Looking at LeavesRed and near-infrared filters for spotting plants: photon energy, electron energy levels, and leaf reflectanceElectromagnetic radiation · Photosynthesis · Engineering design (HS-PS4-4, HS-LS1-5, HS-ETS1-2) | 3 MC, 2 CR | Practice cluster |
Frequently asked questions
- How is From Fertilizer Crystals to Stock Solution · Chemistry Practice Examination · 114 Chemistry Regents Cluster (Q16–Q20) structured on All Regents?
- Preparing potassium nitrate fertilizer stock: molarity, neutralization equations, nitrogen mass, carbonate precipitates. Practice the From Fertilizer Crystals to Stock Solution phenomenon cluster (Q16–Q20: 3 MC, 2 CR) from Chemistry Practice Examination · 114 (Physical Science: Chemistry). Covers Solutions, Stoichiometry and conservation, Bonding and formulas (HS-PS1-10, HS-PS1-7, HS-PS1-2) 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 All 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.