chemistry waec past questions and answers | Campusflava https://campusflava.com Tutors, Past Questions and Projects. Sun, 17 Oct 2021 07:29:17 +0000 en-US hourly 1 https://wordpress.org/?v=6.6.3 https://i0.wp.com/campusflava.com/wp-content/uploads/2023/01/cropped-CF.png?fit=32%2C32&ssl=1 chemistry waec past questions and answers | Campusflava https://campusflava.com 32 32 123014824 Copper metal will react with concentrated trioxonitrate (V) acid to give? https://campusflava.com/blog/copper-metal-will-react-with-concentrated-trioxonitrate-v-acid-to-give/ https://campusflava.com/blog/copper-metal-will-react-with-concentrated-trioxonitrate-v-acid-to-give/#respond Sun, 17 Oct 2021 07:27:13 +0000 https://campusflava.com/blog/copper-metal-will-react-with-concentrated-trioxonitrate-v-acid-to-give/ Copper metal will react with concentrated trioxonitrate (V) acid to give? A Cu(NO3)3 + NO + N2O4 + H2O B Cu(NO3)2 + NO + H2O C CuO + NO2 + H2O D Cu(NO2)3 + NO2 + H2O Answer is D We have WAEC, GCE, NECO, JAMB ONLINE TUTORIAL CLASS that can help you out. Click […]

The post Copper metal will react with concentrated trioxonitrate (V) acid to give? first appeared on Campusflava.]]> Copper metal will react with concentrated trioxonitrate (V) acid to give?
A Cu(NO3)3 + NO + N2O4 + H2O
B Cu(NO3)2 + NO + H2O
C CuO + NO2 + H2O
D Cu(NO2)3 + NO2 + H2O

Answer is D

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The post Copper metal will react with concentrated trioxonitrate (V) acid to give? first appeared on Campusflava.]]> https://campusflava.com/blog/copper-metal-will-react-with-concentrated-trioxonitrate-v-acid-to-give/feed/ 0 68481 What is the molar mass of an alkyne with the formula Cx H 14? https://campusflava.com/blog/what-is-the-molar-mass-of-an-alkyne-with-the-formula-cx-h-14/ https://campusflava.com/blog/what-is-the-molar-mass-of-an-alkyne-with-the-formula-cx-h-14/#respond Sun, 03 Oct 2021 05:24:17 +0000 https://campusflava.com/blog/what-is-the-molar-mass-of-an-alkyne-with-the-formula-cx-h-14/ What is the molar mass of an alkyne with the formula Cx H 14? (H = 1, C = 12) A 86g B 92g C 98g D 110g Answer is D Ace your next examination by joining our tutorial for that difficult subject. Click Here To Get Started. JOIN OTHER STUDENTS ON OUR NEW TELEGRAM […]

The post What is the molar mass of an alkyne with the formula Cx H 14? first appeared on Campusflava.]]> What is the molar mass of an alkyne with the formula Cx H 14? (H = 1, C = 12)
A 86g
B 92g
C 98g
D 110g

Answer is D

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The post What is the molar mass of an alkyne with the formula Cx H 14? first appeared on Campusflava.]]> https://campusflava.com/blog/what-is-the-molar-mass-of-an-alkyne-with-the-formula-cx-h-14/feed/ 0 68443 The following compounds contain the same type of bonds except https://campusflava.com/blog/the-following-compounds-contain-the-same-type-of-bonds-except/ https://campusflava.com/blog/the-following-compounds-contain-the-same-type-of-bonds-except/#respond Sun, 03 Oct 2021 05:23:47 +0000 https://campusflava.com/blog/the-following-compounds-contain-the-same-type-of-bonds-except/ The following compounds contain the same type of bonds except A sodium chloride B hydrogen chloride C magnesium chloride D potassium chloride Answer is B Ace your next examination by joining our tutorial for that difficult subject. Click Here To Get Started. JOIN OTHER STUDENTS ON OUR NEW TELEGRAM GROUP AND SHARE WITH FRIENDS. We […]

The post The following compounds contain the same type of bonds except first appeared on Campusflava.]]> The following compounds contain the same type of bonds except
A sodium chloride
B hydrogen chloride
C magnesium chloride
D potassium chloride

Answer is B

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The post The following compounds contain the same type of bonds except first appeared on Campusflava.]]> https://campusflava.com/blog/the-following-compounds-contain-the-same-type-of-bonds-except/feed/ 0 68442 When magnesium ribbon burns in air, the products are https://campusflava.com/blog/when-magnesium-ribbon-burns-in-air-the-products-are/ https://campusflava.com/blog/when-magnesium-ribbon-burns-in-air-the-products-are/#respond Sun, 03 Oct 2021 05:23:17 +0000 https://campusflava.com/blog/when-magnesium-ribbon-burns-in-air-the-products-are/ When magnesium ribbon burns in air, the products are A magnesium nitride and magnesium oxide B magnesium nitride and carbon (ll) oxide C magnesium oxide and steam D magnesium nitride and soot Answer is C Ace your next examination by joining our tutorial for that difficult subject. Click Here To Get Started. JOIN OTHER STUDENTS […]

The post When magnesium ribbon burns in air, the products are first appeared on Campusflava.]]> When magnesium ribbon burns in air, the products are
A magnesium nitride and magnesium oxide
B magnesium nitride and carbon (ll) oxide
C magnesium oxide and steam
D magnesium nitride and soot

Answer is C

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The post When magnesium ribbon burns in air, the products are first appeared on Campusflava.]]> https://campusflava.com/blog/when-magnesium-ribbon-burns-in-air-the-products-are/feed/ 0 68441 Destructive distillation of coal means https://campusflava.com/blog/destructive-distillation-of-coal-means/ https://campusflava.com/blog/destructive-distillation-of-coal-means/#respond Sun, 03 Oct 2021 05:22:52 +0000 https://campusflava.com/blog/destructive-distillation-of-coal-means/ Destructive distillation of coal means A heating coal in plentiful supply of air B burning coal in air to produce water and carbon (IV) oxide C heating coal in the absence of air D heating coal in limited supply of air Answer is C Ace your next examination by joining our tutorial for that difficult […]

The post Destructive distillation of coal means first appeared on Campusflava.]]> Destructive distillation of coal means
A heating coal in plentiful supply of air
B burning coal in air to produce water and carbon (IV) oxide
C heating coal in the absence of air
D heating coal in limited supply of air

Answer is C

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The post Destructive distillation of coal means first appeared on Campusflava.]]> https://campusflava.com/blog/destructive-distillation-of-coal-means/feed/ 0 68440 Study the reaction represented by the equation: Alkanol + Alkanoic acid conc. H2SO4 Alkanoate + water. The type of process involved in the reverse reaction is https://campusflava.com/blog/study-the-reaction-represented-by-the-equation-alkanol-alkanoic-acid-conc-h2so4-alkanoate-water-the-type-of-process-involved-in-the-reverse-reaction-is/ https://campusflava.com/blog/study-the-reaction-represented-by-the-equation-alkanol-alkanoic-acid-conc-h2so4-alkanoate-water-the-type-of-process-involved-in-the-reverse-reaction-is/#respond Sun, 03 Oct 2021 05:22:26 +0000 https://campusflava.com/blog/study-the-reaction-represented-by-the-equation-alkanol-alkanoic-acid-conc-h2so4-alkanoate-water-the-type-of-process-involved-in-the-reverse-reaction-is/ Study the reaction represented by the equation: Alkanol + Alkanoic acid conc. H2SO4 Alkanoate + water. The type of process involved in the reverse reaction is A Neutralization B dehydration C hydrolysis D decomposition Answer is C Ace your next examination by joining our tutorial for that difficult subject. Click Here To Get Started. JOIN […]

The post Study the reaction represented by the equation: Alkanol + Alkanoic acid conc. H2SO4 Alkanoate + water. The type of process involved in the reverse reaction is first appeared on Campusflava.]]> Study the reaction represented by the equation: Alkanol + Alkanoic acid conc. H2SO4 Alkanoate + water. The type of process involved in the reverse reaction is
A Neutralization
B dehydration
C hydrolysis
D decomposition

Answer is C

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The post Study the reaction represented by the equation: Alkanol + Alkanoic acid conc. H2SO4 Alkanoate + water. The type of process involved in the reverse reaction is first appeared on Campusflava.]]> https://campusflava.com/blog/study-the-reaction-represented-by-the-equation-alkanol-alkanoic-acid-conc-h2so4-alkanoate-water-the-type-of-process-involved-in-the-reverse-reaction-is/feed/ 0 68439 Which of the following is likely to have the highest degree of hardness? https://campusflava.com/blog/which-of-the-following-is-likely-to-have-the-highest-degree-of-hardness/ https://campusflava.com/blog/which-of-the-following-is-likely-to-have-the-highest-degree-of-hardness/#respond Sun, 03 Oct 2021 05:22:00 +0000 https://campusflava.com/blog/which-of-the-following-is-likely-to-have-the-highest-degree-of-hardness/ Which of the following is likely to have the highest degree of hardness? A Carbonated water B Distilled water C Acidified water D Rain water Answer is A Ace your next examination by joining our tutorial for that difficult subject. Click Here To Get Started. JOIN OTHER STUDENTS ON OUR NEW TELEGRAM GROUP AND SHARE […]

The post Which of the following is likely to have the highest degree of hardness? first appeared on Campusflava.]]> Which of the following is likely to have the highest degree of hardness?
A Carbonated water
B Distilled water
C Acidified water
D Rain water

Answer is A

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The post Which of the following is likely to have the highest degree of hardness? first appeared on Campusflava.]]> https://campusflava.com/blog/which-of-the-following-is-likely-to-have-the-highest-degree-of-hardness/feed/ 0 68438 Which of the following is not a halogen? https://campusflava.com/blog/which-of-the-following-is-not-a-halogen/ https://campusflava.com/blog/which-of-the-following-is-not-a-halogen/#respond Sun, 03 Oct 2021 05:21:23 +0000 https://campusflava.com/blog/which-of-the-following-is-not-a-halogen/ Which of the following is not a halogen? A Silicon B Fluorine C Astatine D Bromine Answer is A Ace your next examination by joining our tutorial for that difficult subject. Click Here To Get Started. JOIN OTHER STUDENTS ON OUR NEW TELEGRAM GROUP AND SHARE WITH FRIENDS. We have the WAEC, GCE, NECO, JAMB […]

The post Which of the following is not a halogen? first appeared on Campusflava.]]> Which of the following is not a halogen?
A Silicon
B Fluorine
C Astatine
D Bromine

Answer is A

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The post Which of the following is not a halogen? first appeared on Campusflava.]]> https://campusflava.com/blog/which-of-the-following-is-not-a-halogen/feed/ 0 68437 The gaseous product formed when ammonia is passed over heated copper (ll) oxide is https://campusflava.com/blog/the-gaseous-product-formed-when-ammonia-is-passed-over-heated-copper-ll-oxide-is/ https://campusflava.com/blog/the-gaseous-product-formed-when-ammonia-is-passed-over-heated-copper-ll-oxide-is/#respond Sun, 03 Oct 2021 05:20:40 +0000 https://campusflava.com/blog/the-gaseous-product-formed-when-ammonia-is-passed-over-heated-copper-ll-oxide-is/ The gaseous product formed when ammonia is passed over heated copper (ll) oxide is A oxygen B nitrogen C hydrogen D nitrogen (l) oxide Answer is B Ace your next examination by joining our tutorial for that difficult subject. Click Here To Get Started. JOIN OTHER STUDENTS ON OUR NEW TELEGRAM GROUP AND SHARE WITH […]

The post The gaseous product formed when ammonia is passed over heated copper (ll) oxide is first appeared on Campusflava.]]> The gaseous product formed when ammonia is passed over heated copper (ll) oxide is
A oxygen
B nitrogen
C hydrogen
D nitrogen (l) oxide

Answer is B

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The post The gaseous product formed when ammonia is passed over heated copper (ll) oxide is first appeared on Campusflava.]]> https://campusflava.com/blog/the-gaseous-product-formed-when-ammonia-is-passed-over-heated-copper-ll-oxide-is/feed/ 0 68436 Sodium chloride is used in the following processes except in the https://campusflava.com/blog/sodium-chloride-is-used-in-the-following-processes-except-in-the/ https://campusflava.com/blog/sodium-chloride-is-used-in-the-following-processes-except-in-the/#respond Sun, 03 Oct 2021 05:20:07 +0000 https://campusflava.com/blog/sodium-chloride-is-used-in-the-following-processes-except-in-the/ Sodium chloride is used in the following processes except in the A treatment of polluted water B preservation of food C separation of soap from glycerol D manufacture of chlorine Answer is A Ace your next examination by joining our tutorial for that difficult subject. Click Here To Get Started. JOIN OTHER STUDENTS ON OUR […]

The post Sodium chloride is used in the following processes except in the first appeared on Campusflava.]]> Sodium chloride is used in the following processes except in the
A treatment of polluted water
B preservation of food
C separation of soap from glycerol
D manufacture of chlorine

Answer is A

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The post Sodium chloride is used in the following processes except in the first appeared on Campusflava.]]> https://campusflava.com/blog/sodium-chloride-is-used-in-the-following-processes-except-in-the/feed/ 0 68435