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INTEGRATED SCIENCE TRY QUESTIONS. 👇👇👇👇👇👇👇👇👇 1. (a) State the difference between the alternating and direct current. (b) The power rating of an electrical appliance at 750watt,calculate consumed for using the appliance for 1 hour. (c) Write the chemical formulae for the following compound; I. Potassium III oxosulphate Iv Acid. II. Trioxonitrate V acid III. Sulphur VI oxide (d) Explain the following terms used in soil management I. Soil resources II. Soil conservation (e) Define musical note II. Start the characteristics of sound and the difference instrument used in playing the note (f) Name 4 organs in human body that excrete waste II Name one waste excreted by the organ above. 2.(a) What is weathering of rock ii. State 2 physical process that occur during weathering. (b) calculate the 3 difference between food chain and food web II. Construct the Food chain using the following organizations : grass, human,lizzard,locust,goat and Lion. (c). Differenciate between acidic salt and normal salt. 3(a) State the differences between the following; I. Mitosis and Miosis II. Photosynthesis and Transpiration III. Osmosis and Diffusion IV. Acid and Base v. living and non – living things (b) What is magnetism? II. State four uses of magnets. III. Draw electrical circuit and labelled the parts. (c) Define fuse and State four ways of conserving electrical energy. II. Explain the following terms : Radiation Conduction Convention III. State the types of teeth and their uses. (d) Mention any four sexually transmitted disease and State their cause,symptom, proctive measures. II. Differentiate between pest and parasites in a organism. III. Mention any four ecological instruments and their uses. IV. State four characterics of metals and non metals (e) Define grobal warming and State four effects of grobal warming. I. What is balance diet ? and State four Importance of nutrients. II. Explain the four parts of the following; Ruminants Digestive organ Respiratory sytem 4 (a)Name the four components of a complete flower. II. What is the part mention above is the productivity of flower b.Organize the following component of spectrum in order :wavelength, red light, blue light, X-ray, microwave II. Start one uses of the following; I. X-ray II. Microwave 5(a) what is ionic bonding? II. Name the type of bond in each of the following: I. Calcim oxide II. Copper (V) acid III. Methane IV.methanol (b) state two functions of the following plant nutrients; I. Nitrogen II. potasium III. Surphur 6 (a) Differenciate between staking and pruning in crop production II. Name three crops that undertakes staking during crop cultivation (b) Differenciate between voluntary and involuntary action. II. What are the functions of the following human eye I. Pupil II. Length III. Rectina (c) Write the general molucular formulae of the following organisms; I. Alkyne II. Alkane III. Alkanoe III. What is meant by up thrust

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*BLACK MOCK* *ECONOMICS QUESTION* 👇👇👇👇 1.(a) Distinguish between economic activities and an economic system. (b) Explain the following terms: (i) production; (ii) distribution; (iii) consumption. 2.(a) With the aid of a diagram, explain a minimum price. (b) State any five measures by which a minimum price for an agricultural produce can be made effective. 3.(a) Describe the output method of measuring the gross domestic product of a country. (b) How is the net national product at factor cost obtained from gross domestic product? (c) State two problems associated with the output method. 👇👇👇 4.(a) Explain the function of money as a (i) measure of value; (ii) store of value. b) Show how inflation affects these two functions of money. 5.(a) What is a commercial bank? (b) Describe any four ways by which the Central Bank controls the amount of credit given by the commercial banks. 6.(a) Differentiate between human capital and physical capital. (b) State three ways of improving on the stock of human capital in your country. 1a. Define the following concepts i. Wants ii. Scarcity iii. Scale of preference iv. Opportunity cost b. Explain any 4 reasons why the study of Economics is important to society. 2a. What is i. A direct tax ii. An indirect tax b. Identify any four benefits of import duties on goods. c. State any two reasons why indirect tax is difficult to evade.

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2021 WASSCE CHEMISTRY TRIALS QUESTIONS 🔥 ✅1. (a) When calcium oxide and coke are heated in a electric furnace, the products are carbon (ii) oxide and calcium carbide (CaC2), write the equation for this reaction. (b) Addition of water to calcium carbide leads to the formation of calcium hydroxide and ethyne. Write the equation for the production of ethyne. ✅2.Identify the solid remaining when each of the following is heated. (a) lithium trioxonitrate (V); (b) potassium trioxonitrate (V); (c) calcium trioxonitrate (V); ✅3. Calculate the percentage by mass of silicon tetrachloride. ✅4. Ammonia, NH3, and phosphine, Ph3, are the hydrides of the first two elements in group 5. (a) Draw a dot and cross diagram for the ammonia molecule. (b) Sketch and explain the shape of the ammonia molecule. ✅5. The first ionization energy of chlorine is +1260KJmol-1. (a) Define the term first ionization energy. [2 marks] (b) State and explain the general trend in the values of the first ionization energy for the elements across the period, sodium to argon in the periodic table. ✅6. Compound A consisting of carbon and hydrogen only. The compound was found to contain 80% carbon by mass. (a) Calculate the empirical formula of compound A using the data above. (b) The relative molecular mass of compound A was found to be 30. Use this information to deduce the molecular formula of compound A. [H = 1.00 C = 12.00] ✅7. State two factors other than a change in temperature or the use of a catalyst that influence the rate of a chemical reaction. SECTION B ✅1. (a) Two elements represented by the letters Q and R have atomic numbers 9 and 12 respectively. (i) Write the election configuration of R. (ii) To what group does Q belong in the periodic table. (iii) Write the formula of the compound formed when Q combines with R. (iv) Explain briefly, why Q is a good oxidizing agent. (v) State whether R would be expected to form acidic or basic oxide. (b) (i) State two assumptions of the kinetic theory of gases. (ii) When some solids are heated, they change directly into the gaseous state. What name is given to this phenomenon? (iii) List two substances which exhibit the phenomenon mentioned in (ii). (iv) Write an expression to show the mathematical relationship between the rate of diffusion of a gas and its vapour. ✅2. An aqueous solution has a pH of 4.0. (a) (i) What is the hydrogen ion concentration of the solution? (ii) What effect will it have on litmus paper? (iii) Which of the following salt solutions would have the same effect on litmus? Give a reason for your answer. NH4Cl(aq); NaCl(aq); CH3(OONa(aq). (b) (i) Differentiate between a fine chemical and a heavy chemical. (ii) Name two sources of air pollution. (iii) Suggest one way of reducing air pollution in cities. ✅3. (a) (i) Explain briefly the fermentation process. (ii) Write a balanced equation for the fermentation of glucose. (iii) What substance must be added to glucose solution to ferment it? (iv) Explain briefly why tightly corked glass filled to the brim with palm wine shatters on standing. (b) State one industrial application of each of the following methods of separation: (i) crystallization; (ii) fractional distillation. (c ) Explain the following terms: (i) saponification; (ii) esterification. (d) Write a balanced equation to illustrate each of the terms in (c). (e) (i) What is hydrocarbon compound? (ii) Name two principal sources of hydrocarbons.

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*English trials WASSCE 2021 HOT* 1. *Write a letter to your father, who has been on a long course abroad, telling him how the family has been faring in his absence.* 2. *Write an article suitable for publication in a cultural magazine on the advantages and disadvantages of the extended family system.* 3. *The last nation-wide strike by secondary school teachers affected your school adversely. Write a letter to the Minister of Education suggesting at least three ways of preventing future strike actions.* 4. *You are a speaker in a debate on the topic: “Civilian rule is better than military rule.” Write your contribution for or against the motion.* 5. *Write a story, real or imagined, which illustrates the saying: :Make hey while the sun shines.”*

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GES UPDATE: Gov’t spends GHS34.8m on 446.9K WASSCE ‘pasco’ for 2021 candidates, cancels math set deal At a unit price of GHS78, the government of Ghana has said it spent GHS34.8 million to buy past questions (pasco) for candidates of the 2021 WASSCE under the Free SHS programme. On the floor of parliament on Wednesday, 14 July 2021, Education Minister Yaw Osei Adutwum, said the current unit price is 32% more than that of 2020 – GHS59. Dr Adutwum told the house that “to help prepare the final-year senior high school students for the 2021 West African Senior School Certificate Examination (WASSCE), the Ministry has procured 446,954 past West African Senior School Certificate Examination (WASSCE) questions from Messrs Kingdom Books and Stationery at a unit price of GHS 78.00. The procurement will be funded from the Free Senior High School Account.” https://t.me/AAAAAAAFHDXHHJFVCCVHVV

ELECTIVE MATHEMATICS TOPICS. ✳️ Polynomial Functions ✳️ Correlation ✳️ Frequency distribution ✳️ Integration & Differentiation ✳️ Matrices ✳️ Vectors and Mechanics ✳️ Linear Transformation ✳️ Inequalitie ✳️ The Circle ✳️ Coordinate Geometry I ✳️ Relations and Functions ✳️ Dynamics ✳️ Indices ✳️ Series and Sequence ✳️ Permutation and Combination ✳️ Parabola https://t.me/AAAAAAAFHDXHHJFVCCVHVV 🔰Powered By @EMMA

ELECTIVE MATHEMATICS TOPICS. ✳️ Polynomial Functions ✳️ Correlation ✳️ Frequency distribution ✳️ Integration & Differentiation ✳️ Matrices ✳️ Vectors and Mechanics ✳️ Linear Transformation ✳️ Inequalitie ✳️ The Circle ✳️ Coordinate Geometry I ✳️ Relations and Functions ✳️ Dynamics ✳️ Indices ✳️ Series and Sequence ✳️ Permutation and Combination ✳️ Parabola 🔰Powered By @EMMA

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