West African Examination Council (WAEC)

Chemistry 2020 WAEC Past Question

Chemistry 2020 Past Questions | WAEC Download PDF Study the following Chemistry past questions and answers for JAMB, WAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations. Change Subject Check Syllabus 46. which of the following quantities is a molar quantity? A. Molarity B. Molar mass C. Mass concentration D. Molality Reveal Answer Correct Option: …

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Chemistry 2020 WAEC Past Question

Chemistry 2020 Past Questions | WAEC Download PDF Study the following Chemistry past questions and answers for JAMB, WAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations. Change Subject Check Syllabus 31. What is the solubility of the salt at 30°C? [CuSO4= 160] A. 0.031 B. 0.125 C. 0.640 D. 1.560 Reveal Answer Correct Option: …

Chemistry 2020 WAEC Past Question Read More »

Chemistry 2020 WAEC Past Question

Chemistry 2020 Past Questions | WAEC Download PDF Study the following Chemistry past questions and answers for JAMB, WAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations. Change Subject Check Syllabus 16. A factor that is considered most important when siting a chemical industry is? A. nearness to other industrial establishments B. nearness …

Chemistry 2020 WAEC Past Question Read More »

Chemistry 2020 WAEC Past Question

Chemistry 2020 Past Questions | WAEC Download PDF Study the following Chemistry past questions and answers for JAMB, WAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations. Change Subject Check Syllabus Which of the following substances is an example of a fine chemical? A. Sodium hydroxide B. Hydrochloric acid C. Ethylene D. Ammonia Reveal Answer Correct …

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Chemistry 2019 WAEC Past Question

Chemistry 2019 Past Questions | WAEC Download PDF Study the following Chemistry past questions and answers for JAMB, WAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations. Change Subject Check Syllabus 46. The number of electrons in the 3d orbital of  24Cr is A. 2 B. 3 C. 4 D. 5 Reveal Answer Correct Option: Answer …

Chemistry 2019 WAEC Past Question Read More »

Chemistry 2019 WAEC Past Question

Chemistry 2019 Past Questions | WAEC Download PDF Study the following Chemistry past questions and answers for JAMB, WAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations. Change Subject Check Syllabus 31.  If a catalyst is added to a system, the temperature and the pressure remain constant, there would be no effect …

Chemistry 2019 WAEC Past Question Read More »

Chemistry 2019 WAEC Past Question

Chemistry 2019 Past Questions | WAEC Download PDF Study the following Chemistry past questions and answers for JAMB, WAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations. Change Subject Check Syllabus 16. The properties of a good primary standard include the following except? A. High molecular mass B. low molecular mass C. high degree …

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Biology 2019 WAEC Past Questions and Answers

Biology 2019 Past Questions | WAEC Download PDF Format Study the following Biology past questions and answers for JAMB, WAEC  NECO and ICAN. Get prepared with official past questions and answers for upcoming examinations. Change Subject Check Syllabus 46. In a complete dominance monohybrid cross between a pure breeding yellow-flowered plant Y and a pure breeding white-flowered plant y, the …

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