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GAOKAO Cheat Sheet 2026

The 30 highest-yield GAOKAO facts, distilled from real exam questions. Print it, save it as a PDF, or study it here β€” free, no sign-up.

50 questions
150 min time limit
60% to pass
  1. The solubility product Ksp of AgCl is 1.8Γ—10⁻¹⁰. The molar solubility of AgCl in pure water is: β†’ 1.34Γ—10⁻⁡ M
  2. When the distance between two parallel plates of a capacitor (connected to a battery) is doubled, the capacitance: β†’ Halves
  3. Evaluate the definite integral βˆ«β‚€Β² (3xΒ² - 2x + 1) dx. β†’ 6
  4. Using the limit definition, which expression correctly represents f'(a)? → lim_{h→0} [f(a+h) - f(a)] / h
  5. Let f(x) = x^(1/3). Find f'(8). β†’ 1/12
  6. What is the significance of Tier 1 and Tier 2 universities in the Gaokao system? β†’ Tier 1 universities have higher cut-off scores and more prestigious programs.
  7. The nth term of an arithmetic sequence is given by aβ‚™ = 2n + 1. What is the common difference? β†’ 2
  8. A 10 kg block falls freely from rest. After 3 seconds, what is its kinetic energy? (g = 10 m/sΒ²) β†’ 4500 J
  9. The 'Coriolis effect' causes winds in the Northern Hemisphere to deflect: β†’ To the right of their direction of motion
  10. If f(x) = xΒ³ + x, then f(x) is: β†’ Odd function only
  11. A frequency table shows scores: 60 (5 students), 70 (8 students), 80 (7 students), 90 (5 students). What is the mode? β†’ 70
  12. Which statement correctly describes Le Chatelier's principle? β†’ A system at equilibrium shifts to partially offset any imposed stress
  13. If f(x) = xΒ² - 3x + 2 and g(x) = f(f(x)), find g'(0). β†’ 9
  14. Acid rain is primarily caused by atmospheric emissions of: β†’ Sulfur dioxide (SOβ‚‚) and nitrogen oxides (NOβ‚“)
  15. For the reaction at equilibrium: CO(g) + 3Hβ‚‚(g) β‡Œ CHβ‚„(g) + Hβ‚‚O(g), the value of Kc compared to Kp is related by: β†’ Kc = Kp/(RT)Β²
  16. In redox reactions, the species that undergoes an increase in oxidation number has been: β†’ Oxidised
  17. A 10 ΞΌF capacitor is charged to 100 V. The energy stored in the capacitor is: β†’ 0.05 J
  18. The activation energy of a reaction can be determined graphically from the slope of a plot of: β†’ ln k vs 1/T (Arrhenius plot)
  19. The area bounded by y = xΒ² and y = x is: β†’ 1/6
  20. If P(A) = 0.4 and P(B) = 0.3 and events A and B are mutually exclusive, what is P(A βˆͺ B)? β†’ 0.70
  21. The Henderson-Hasselbalch equation pH = pKa + log([A⁻]/[HA]) is used to calculate the pH of: β†’ Buffer solutions
  22. The monomer used to produce the polymer polyethylene is: β†’ CH2=CH2
  23. Two identical resistors are first connected in series, then in parallel, to the same battery. The ratio of total power dissipated (parallel/series) is: β†’ 4
  24. A student scores 75, 82, 90, 68, and 85 on five tests. What is the range of scores? β†’ 22
  25. The range of f(x) = 2sin(x) + 1 for x ∈ [0, Ο€] is: β†’ [1, 3]
  26. Which climate type is characterized by hot, dry summers and mild, wet winters and is found on the western coasts of continents between 30°–45Β° latitude? β†’ Mediterranean (Csa/Csb)
  27. The skin effect in AC conductors refers to: β†’ Current concentration near the conductor surface at high frequencies
  28. The area enclosed by f(x) = sin(x) and the x-axis from x = 0 to x = Ο€ is: β†’ 2
  29. Which molecule carries the genetic instructions from the nucleus to the ribosome during protein synthesis? β†’ mRNA
  30. A 'watershed' (drainage basin) in physical geography is defined as: β†’ The total land area from which all surface water drains into a single river system
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