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Question: If the roots of the equation x² + 7x + k = 0 are -3 and -4, find k. (2022)Options: 1271520..
Question: In a body-centered cubic (BCC) structure, how many atoms are there in one unit cell? (2022..
Question: Which of the following properties is characteristic of covalent network solids? (2019)Opti..
Question: What is the primary force holding together the atoms in metallic solids? (2020)Options: Io..
Question: Which of the following is NOT a type of crystalline solid? (2021)Options: IonicMolecularAm..
Question: What type of packing is observed in hexagonal close-packed (HCP) structures? (2023)Options..
Question: Which type of crystal system has the highest symmetry? (2022)Options: CubicTetragonalOrtho..
Question: In how many ways can 3 different fruits be selected from a basket of 7 fruits? (2014)Optio..
Question: How many ways can 2 students be selected from a group of 8? (2015)Options: 28563648Correct..
Question: In how many ways can 5 different letters be arranged if 2 letters are always together? (20..
Question: How many ways can 6 people be selected from a group of 10? (2020)Options: 210120300150Corr..
Question: In the electrochemical series, which of the following has the highest reduction potential?..
Question: In the reaction 2Ag+ + Zn → 2Ag + Zn^2+, which element is oxidized? (2020)Options: AgZnONo..
Question: What is the standard reduction potential of the half-reaction Fe^3+ + 3e- → Fe? (2022)Opti..
Question: Evaluate the limit: lim (x -> 0) (x^3)/(sin(x)) (2022)Options: 01InfinityUndefinedCorrect ..
Question: Calculate the limit: lim (x -> 1) (x^4 - 1)/(x - 1) (2021)Options: 1234Correct Answer: 4Ex..
Question: Evaluate the limit: lim (x -> 3) (x^2 - 9)/(x - 3) (2020)Options: 369UndefinedCorrect Answ..
Question: Calculate the limit: lim (x -> 0) (tan(5x)/x) (2022)Options: 015UndefinedCorrect Answer: 5..
Question: Find the limit: lim (x -> 2) (x^2 - 3x + 2)/(x - 2) (2021)Options: 120UndefinedCorrect Ans..
Question: In a reaction at equilibrium, if the concentration of products is increased, what will hap..
Question: Which of the following statements is true regarding the equilibrium constant? (2020)Option..
Question: For the reaction: 2A(g) + B(g) ⇌ 3C(g), what is the correct expression for the equilibrium..
Question: In a reversible reaction at equilibrium, what happens if the temperature is increased? (20..
Question: Which of the following changes will shift the equilibrium to the right for the reaction: 2..
Question: What is the integral of x^n where n ≠ -1? (2021)Options: (1/n)x^(n+1) + C(1/(n+1))x^n + C(..
Question: Which of the following ions is commonly used as a reference electrode? (2020)Options: Ag+C..
Question: The half-life of a first-order reaction is independent of which parameter?Options: Initial..
Question: What is the general solution of the equation y\' + 4y = 0?Options: y = Ce^(-4x)y = Ce^(4x)..
Question: What is the solution to the equation y\'\' - 3y\' + 2y = 0?Options: y = C1 e^(2x) + C2 e^(..
Question: Find the general solution of the equation y\' = 5y + 3.Options: y = Ce^(5x) - 3/5y = Ce^(5..
