This quiz works best with JavaScript enabled. Home > Grammar > Discourse > Substitution – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Substitution Quiz 10 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Solve:8x + 4y = 12y =-2x + 3 A) (0, 3). B) (3, 0). C) No solution(parallel lines). D) Infinitely many solutions. Show Answer Correct Answer: D) Infinitely many solutions. 2. A number increases by 14 equals the output A) 14X = Y. B) X-14 = Y. C) X+14= Y. D) X+14. Show Answer Correct Answer: C) X+14= Y. 3. What will be the attacking electrophile in the reaction of halogenation of Benzene? A) Halonium ion. B) Carbocation. C) Benzene. D) Halogen. Show Answer Correct Answer: A) Halonium ion. 4. That which cannot be seen? A) Unseen. B) Invisible. C) Intangible. D) Insensible. Show Answer Correct Answer: B) Invisible. 5. The words the one / the ones tend to be more ..... A) Formal. B) Informal. C) All the above. D) None of the above. Show Answer Correct Answer: B) Informal. 6. If $d=11$ $d+3$ A) 11. B) 12. C) 13. D) 14. Show Answer Correct Answer: D) 14. 7. Solve the equation:4p = 16 A) P = 12. B) P =-12. C) P =-4. D) P = 4. Show Answer Correct Answer: D) P = 4. 8. Items to be considered at a meeting A) Agenda. B) Gist. C) List. D) Catalogue. Show Answer Correct Answer: A) Agenda. 9. Having ..... that can serve as raw materials can boost exports and help a country grow its GDP A) Natural resources. B) Artificial resources. C) New resources. D) Substitute resources. Show Answer Correct Answer: A) Natural resources. 10. Solve the system using substitution.y =-8x + 20-8x-y =-20 A) (5, 7). B) (4, -9). C) No Solution. D) Infinitely Many Solutions. Show Answer Correct Answer: D) Infinitely Many Solutions. 11. 82 added to a number equals 36 A) 82=36. B) 82+36=x. C) T+82=36. D) None of the above. Show Answer Correct Answer: C) T+82=36. 12. $\int\frac{3}{x+2}dx$ A) $3\ln\left|x+2\right|+c$. B) $3\ln\left|x\right|+c$. C) $\ln\left|x+2\right|+c$. D) $3\left(x+2\right)+c$. Show Answer Correct Answer: A) $3\ln\left|x+2\right|+c$. 13. Given f(x) = 2x$^{2}$ + 5x-17, find f(-1). A) F(-1) =-20. B) F(-1) =-24. C) All the above. D) None of the above. Show Answer Correct Answer: A) F(-1) =-20. 14. The words so and do / did replace a ..... A) Word. B) Phrase/sentence. C) All the above. D) None of the above. Show Answer Correct Answer: B) Phrase/sentence. 15. If a=2, b=3, c=4 and d=5, find a+b+c+d A) 14. B) 12. C) 15. D) None of the above. Show Answer Correct Answer: A) 14. 16. Solve each equation using the substitution method:p + 6 = 13 A) -6. B) 7. C) 19. D) -19. Show Answer Correct Answer: B) 7. 17. Solve by Substitution:y = 3x-3 and 2x + 4y = 30 A) (6, 15). B) (2, 4). C) (3, 6). D) None of the above. Show Answer Correct Answer: C) (3, 6). 18. Solve the system of linear equations using substitution. $3x-2y=12$ $4x+2y=16$ A) (0, -4). B) (0, 4). C) (4, 4). D) (4, 0). Show Answer Correct Answer: D) (4, 0). 19. $\int\\frac{dx}{x\ln x}$ A) $\ln\left(\ln x\right)+C$. B) $\left(\ln x\right)^2+C$. C) $\frac{1}{x^2}+C$. D) $\frac{\ln x}{x^2}+C$. Show Answer Correct Answer: A) $\ln\left(\ln x\right)+C$. 20. F-TEDA-BF$_{4}$ A) The reactive electrophile in Friedel-Crafts acylation reactions. B) The electrophile in aromatic nitration. C) Groups which activate aromatic rings towards electrophilic substitution. D) Groups which activate aromatic rings towards nucleophilic substitution. E) Source of F$^{+}$ in fluorination reactions. Show Answer Correct Answer: E) Source of F$^{+}$ in fluorination reactions. 21. What is a solution of a linear system? A) The slope of the line. B) The y-intercept. C) The point where the graphs intersect. D) The rise over run. Show Answer Correct Answer: C) The point where the graphs intersect. 22. Which of the following statements regarding electrophilic aromatic substitution is wrong? A) Acetyl and cyano substituents are both deactivating and m-directing. B) Alkyl groups are activating and o, p-directing. C) Ammonium groups are m-directing but amino groups are and o, p-directing. D) Chloro and methoxy substituents are both deactivating and o, p-directing. Show Answer Correct Answer: D) Chloro and methoxy substituents are both deactivating and o, p-directing. 23. Work out the value of $\frac{4ab}{2c}$ A) -3. B) 4. C) 3. D) -4. Show Answer Correct Answer: C) 3. 24. What is an electrophile? A) A species that takes part in a reaction by donating a lone pair of electrons. B) A species that takes part in a reaction by accepting a lone pair of electrons. C) A species with a positive charge that takes part in a reaction. D) None of the above. Show Answer Correct Answer: B) A species that takes part in a reaction by accepting a lone pair of electrons. 25. Solve the system of equations by substitution. $2x+4y=18$ $y=-4x+8$ A) (-1, -4). B) (1, -4). C) (1, 4). D) (-3, -4). Show Answer Correct Answer: C) (1, 4). 26. Solve the system of equations by using substitution method.y = 4x+13x + 2y = 13 A) (1, 5). B) (5, 1). C) (0.25, 2). D) No Solution. E) Infinite Solutions. Show Answer Correct Answer: A) (1, 5). 27. Solve the system using substitutiony=8x+1y=6x+3 A) (1, 9). B) (4, 14). C) (0, 1). D) (2, 4). Show Answer Correct Answer: A) (1, 9). 28. The difference of h and 9 divided by 3. A) H-9/3. B) (h-9)/3. C) (9-h)/3. D) 9-h/3. Show Answer Correct Answer: B) (h-9)/3. 29. In what era was the wheel invented? A) Prehistory. B) Middle Ages. C) Modern History. D) Contemporary Era. Show Answer Correct Answer: A) Prehistory. 30. If x = 3, calculate x + 3 A) 3x. B) 6. C) 6x. D) 3. Show Answer Correct Answer: B) 6. ← PreviousNext →Related QuizzesGrammar QuizzesSubstitution Quiz 1Substitution Quiz 2Substitution Quiz 3Substitution Quiz 4Substitution Quiz 5Substitution Quiz 6Substitution Quiz 7Substitution Quiz 8Substitution Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books