Wassce/Bece/Novdec

ELEMENTS OF GOVERNMENT TRY 1.(a)Explain five functions of government 2.(a)What is law? (b) Identify four importance of the rule of law. 3.(a)Explain five examples of judicial independence. 4.(a)Outline five functions of political parties. 5.(a)Examine five limitations of the electoral management body. SECTION B Answer only two questions from this section POLITICAL AND CONSTITUTIONAL DEVELOPMENTS OF WEST AFRICA AND INTERNATIONAL BODIES 6)a.) What is colonial rule? (b)Justify four disadvantages of colonial rule. 7.(a) Explain five roles of the regulatory agencies. 8.a.)What is African nationalism? (b)Describe the internal factors that took place in the independence struggle in Ghana. 9.(a)State three feature of the pre - constitution in the Gold Coast. (b)Outline three failures of the pre - independence constitutions. 10.(a)List five structure of Ghana's local government under the Republic of four. (b) In what five ways can the revenue of local government be improved? END OF ESSAY TEST

Chemistry WAEC Objective Questions Which of the following elements reacts with water? A. Carbon B. Iodine C. Sodium D. Sulphur The correct answer is Sodium, which is lettered C and therefore answer space C would be shaded. [A] [ B ] [C] [ D ] Think carefully before you shade the answer spaces; erase completely any answer you wish to change. Which of the following raw materials is used in the plastic industry? A. Ethene B. Methane C. Sulphur D. Hydrogen Which of the following organic compounds can undergo both addition and substitution reactions? A. Petane B. Benzene C. Propane D. Hexane Which of the following equations represents a redox reaction? A. AgNO 3 (aq) + KCl(ag)->AgCl(s)+ KNO3(aq) B. HNO3 (aq)+ NaOH(aq) -> NaNO3 (aq) + H2O(l) C. CaCO 3 (s) -> CaO(s) + CO 2 (g) D. 2H2 S(g) + SO2 (g) -> 2H2O(I) + 3S(g) The process of extraction of iron from its ore is A. decomposition. B. oxidation. C. reduction. D. sublimation. What is the solubility of a salt if 0.4 g of it is obtained on evaporating 200 cm3 of its saturated solution to dryness? A. 0.08 gdm-3 B. 2.00 gdm-3 C. 8.00 gdm-3 D. 80.00 gdm-3 An acidic salt has A. double anions in its aqueous solution. B. a single cation in its aqueous solution. C. hydrogen ions in its aqueous solution. D. hydrogen atoms in its aqueous solution. A reaction is endothermic if the A. reaction vessel feels cool during the reaction. B. enthalpy change is negative. C. bond forming energy exceeds bond breaking energy. D. heat of formation of reactants exceeds heat of formation of products. In which of the following compounds does hydrogen form ionic compounds? A. CH4 B. HCl C. NH3 D. NaH Consider the following reaction equation: Br2 + 2KI -> 2KBr + I2 . Bromine is acting as A. an oxidizing agent. B. a reducing agent. C. an acid. D. a base. An organic compound has the empirical formula CH2 . If its molar mass is 42 gmol-1 what is its molecular formula? [H = 1.0, C = 12.0] A. C2 H4 B. C3 H4 C. C3 H6 D. C4 H8 Ethene is produced from ethanol by A. decomposition. B. hydrolysis. C. ozonolysis. D. dehydration. Consider the following equilibrium reaction: 2 AB(g) + B2(g) -><- 2AB3(g) AH = -XkJmol-1 The backward reaction will be favored by A. a decrease in pressure. B. an increase in pressure. C. a decrease in temperature. D. an introduction of a positive catalyst. What is the mass of solute in 500 cm3 of 0.005 moldm-3 H2SO4 ? [H =1.0, O = 16.0, S = 32.0] A. 0.490 g B. 0.049 g C. 0.245 g D. 0.0245 g Pure water can be made to boil at a temperature lower than 100 °C by A. reducing its quantity. B. decreasing the external pressure. C. distilling it. D. increasing the external pressure. Consider the following sketch of the solubility curve of some substances. Note: scroll down to download the free chemistry waec questions in pdf copy to view the sketch At what temperature does the solubility of KNO3, equal that of NaNO3? A. 0°C B. 20 °C C. 30 °C D. 40 °C When a salt is added to its saturated solution, the salt A. dissolves and the solution becomes super saturated. B. dissolves and the solution becomes unsaturated. C. precipitates and the solution remains unchanged. D. dissolves and crystals are formed. When substance X was added to a solution of bromine water, the solution became colorless. X is likely to be A. propane. B. propanoic acid. C. propyne. D. propanol. The preferential discharge of ions during electrolysis is influenced by the A. mechanism of electrolysis. B. electrolytic reactions. C. nature of the electrode. D. type of electrolytic cell. The valence electrons of 12Mg are in the A. 3s orbital. B. 2px orbital. C. 2s orbital. D. 1s orbital. Stainless Steel is an alloy comprising of A. Fe and C. B. Fe and Ni. C. Fe, C and Ni. D. Fe, C and Al. The number of hydrogen ions in 1.0 dm3 of 0.02 moldm-3 tetraoxosulphate(VI) acid is [NA = 6.02 x 1023] A. 1.2 x 1022 B. 1.2 x 1023. C. 2.4 x 1022. D. 2.4 x 1023. The most suitable substance for putting out petrol fire is A. water. B. carbon(IV)oxide. C. fire blanket. D. sand.

2024 NOVDEC ‼️‼️‼️ CORE-MATHEMATICS TRIAL QUESTIONS POWERED BY MR Emma FOR MORE AND DITO DITO QUESTIONS AND ANSWERS JOIN 1. Three candidates K, L and M were voted into office as school prefects. K secured 45% of the votes, L had 33% of the votes and M had the rest of the votes. If M secured 1,430 votes, Calculate, a) The total number of votes cast; b) How many more votes K received than 2: a) Using ruler and a pair of compasses only, construct triangle ABC in which │AB│ = 8cm, │BC│= 9cm and angle ABC = 75o b) Measure angle BAC 3(a) Kofi bought six books and ten pencils from a store. Ama bought three books and twenty-two pencils of the same kind from that store. If each of them paid Ȼ17,000.00 for the items, find the cost of i. each pencil ii. each book iii. two books and four pencils (b) Find the truth set of 3x + 8/x = 10, x 0 4: A boy 1.5 m tall is standing 12 m away from a church building which has a tower on top of its roof. The top of the cross on the tower is 14.6 m away from the boy’s head(eyes). If the boy has to raise his eyes through an angle of 31° in order to see the top of the roof, calculate, a) correct to the nearest degree, the angle through which the boy must raise his eyes to see the top of the cross on the tower. b) correct to one decimal place, the height of the top of the cross from ground: c) correct to one decimal place the height of the church building. 5: (a) Using a scale of 2 cm to 2 units on both axes, draw on a graph sheet two perpendicular axes OX and OY for the intervals -10 ≤ x ≤ 10 and -10 ≤ y ≤ 10 (b) Draw,, labeling all vertices and indicating the coordinates clearly, i) ΔPQR with coordinates P(2, 0), Q(8, -4) and R (8, 0); ii) the image ΔP1Q1R1 of ΔPQR under a reflection in the line y = 2 where P→P1, Q→Q1 and R→R1 iii) the image ΔP2Q2R2 of ΔPQR under a rotation through 90o about the origin, where P→P2, Q→Q2 and R→R2 iv) the image ΔP3Q3R3 of ΔPQR under a rotation through 180o about the origin, where P→P3, Q→Q3 and R→R3 (c) What single transformation maps ΔP3Q3R3 on ΔP2Q2R2 ? 6. a) If x5 = 1024 find the value of x b) Given that log107 = 0.8451 and log103 = 0.47771, find without using calculator log10 (9/7) find without 7: a) (3.46)2 - (1.54)2 = 10x, find the value of x. b) Find the truth set of the equation 5x2 = (x+2)(x+3) Solution (3.46)² - (1.54)² = 10x (3.46+1.54) (3.46-1.54) = 10x 5.00 (1.92) = 10x x = = 0.96 b) 5x² = (x+2)(x+3) = x²+5x+6 4x²-5x-6=0 4x²-8x+3x-6=0 4x(x-2)+3(x-2) = 0 (4x+3)(x-2) = 0 4x+3=0 or x-2 = 0 x=-¾ or x = 2 {x:x= -¾, 2} 8: a) A chord PQ of a circle of radius 5 cm subtends an angle of 70° at the centre, O. Find correct to 3 significant figures, i. the length of the chord PQ; ii. the length of the arc PQ; iii. the area of the sector POQ; iv. the area of the minor segment cut off by PQ. b) A right circus cone has base radius 5 cm and height 12 cm. Calculate i. its volume; ii. its total surface area 9: a) Solve the equation 42x × 16x+1 = 64 b) R varies inversely as the cube of S. If R = 9 when S = 3 , find S when R = 243/64 10: a) Copy and complete the following tables for values of the relation y = 4 + 5x -2x2 for – 3 ≤ x ≤ 5 b) Using 2 cm to 1 unit on the x-axis and 2 cm to 5 units on the y-axis, draw the graph of y = 4 + 5x – 2x2 for -3 ≤ x ≤ 5 c) From your graph, find the i. value of x for which y is maximum ii. gradient at x = 0 iii. values of x for which 1+ 5x - 2x2 = 0 X -3 -2 -1 0 1 2 3 4 5 y -14 4 7 -21 10: a) Draw a table of multiplication ⊗ in modulo 8 on the set (2,3,5,7) b) Use your table to find the solution set of i. 3 ⊗ n = 5 ii. n ⊗ n = 1 c) The set P =(-2, -1, 0, 1, 2) maps onto Q by the function f(x) = x2 – 2, where x ∈ P. i. Find the elements of Q ii. Draw a diagram showing the mapping between P and Q.

REGISTRATION IS STILL ONGOING … 1. Explain government as an academic field of study. B. Name 4 characteristics of government. C. Outline 3 functions of government. 2. What is political power? B. Highlight 4 sources of political power. 3. Explain the term sovereignty . B. Outline the main limitations of sovereignty in a state . 4. What is delegated legislation? B. How is delegated legislation controlled in a state . 5. Define a representative government. B.Outline 4 features of representative government. You are also required to answer any 2 questions from this section 6. Outline 6 functions of chiefs before the coming of the Europeans 7. Explain 4 structures of the crown colony system . 8. State 6 functions of the president under 1979 constitution of Ghana. 9. Give 6 achievements of the Aborigines right protection society . 10. Give out 6 factors that make United nations organization

(FURTHER) ELECTIVE MATHEMATICS TRIAL QUESTIONS 💯💯💯💯💯💯💯💯💯💯💯💯 *(1)(a)* When F(x)=2x² + mx² + nx + 11 is divided by x² + 5x + 1 , the quotient is 2x–5 and the reminder is 30x + 16 . Find the values of m and n. *(b)* If (x+2)=6x² + 5x–8 , Evalute f(5). *(2)* Solve the equation Cos²θ + Cos2θsinθ –1 =0 , for 0º ≤ 0 ≤ 360º *(3)(a)* Use substitution u=x –2,  Write        x³ + 5      --------------        (x+2)⁴   as an expression interms of u. *(b)* Using the Answer in *3(a)*  express      x³ + 5      --------------        (x - 2)⁴  in partial fractions *(4)* Find, From the first principle, the derivate of        5 ------------   x³ + 3   with respect to x *(5)(a)* Draw a frequency distrinution table for the following dcores *3, 2, 4, 2, 3 , 2, 1, 2, 2, 4,* *5, 2, 5, 3 , 1, 2, 2, 6, 2, 3* *(b)* Use the distribution table in *5(a)* to find the mean deviation of the scores. *(6)* Four and Five digits numbers are to be found using the digits 1, 2, 3, 4 and 5. *(a)* How many digits can be formed? *(b)* How many of the digits formed will be greater than 5000? *(c)* How many will be even numbers? *(7)* A body is thrown vertically upwards it's height has Metres at time t seconds to given by h=(12t –³/₅ t² ) m . Find the : *(a)* Velocity of the body at time 5 seconds,  *(b)* Time at which the body is Momentary rest, *(c)* Maximum height reach by the body. *(8)*  Given that the cosine of the angle between P= –i + kj and k=2i + 2j is ¹/√5, Find the possible value(s) of k.

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