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Questions and Answers
What is the standard reduction potential for the half-reaction Cu2+/Cu?
What is the standard reduction potential for the half-reaction Cu2+/Cu?
Which catalyst is commonly used in the Haber process?
Which catalyst is commonly used in the Haber process?
Which of the following is recognized as an ore of iron (Fe)?
Which of the following is recognized as an ore of iron (Fe)?
The primary function of a catalyst in a chemical reaction is to affect which of the following?
The primary function of a catalyst in a chemical reaction is to affect which of the following?
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Which of the following properties is independent of temperature?
Which of the following properties is independent of temperature?
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As dilution of an electrolyte increases, what happens to its molar conductivity?
As dilution of an electrolyte increases, what happens to its molar conductivity?
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What is the covalence of nitrogen in the compound N2O5?
What is the covalence of nitrogen in the compound N2O5?
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Which ion listed below will form colored compounds?
Which ion listed below will form colored compounds?
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Which carbohydrate is primarily stored in the human body?
Which carbohydrate is primarily stored in the human body?
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Which drug is known for its effectiveness in treating malaria?
Which drug is known for its effectiveness in treating malaria?
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What type of plastic is Bakelite classified as?
What type of plastic is Bakelite classified as?
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What is the primary role of glycogen in the human body?
What is the primary role of glycogen in the human body?
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Which of the following is not a characteristic of thermosetting plastics?
Which of the following is not a characteristic of thermosetting plastics?
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Which carbohydrate is not stored in the human body?
Which carbohydrate is not stored in the human body?
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Which of the following alternatives is primarily used to treat fever and minor pains, but not malaria?
Which of the following alternatives is primarily used to treat fever and minor pains, but not malaria?
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What is the main difference between thermoplastic and thermosetting plastics?
What is the main difference between thermoplastic and thermosetting plastics?
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What is the internal resistance of the cell if the balancing length shifts from 120 cm to 60 cm when shunted with a 4-ohm resistor?
What is the internal resistance of the cell if the balancing length shifts from 120 cm to 60 cm when shunted with a 4-ohm resistor?
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Under which condition is the force on a charge in a magnetic field maximized?
Under which condition is the force on a charge in a magnetic field maximized?
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What torque acts on a coil with 70 turns, an area of 400 cm², carrying a current of 20 A in a magnetic field of 0.2 T?
What torque acts on a coil with 70 turns, an area of 400 cm², carrying a current of 20 A in a magnetic field of 0.2 T?
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How can a moving coil galvanometer be converted into an ammeter?
How can a moving coil galvanometer be converted into an ammeter?
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What are the angles of dip at the poles and the equator respectively?
What are the angles of dip at the poles and the equator respectively?
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What is the process called when an induced emf occurs due to a change in magnetic flux linked with an electric circuit?
What is the process called when an induced emf occurs due to a change in magnetic flux linked with an electric circuit?
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How is the peak value of an alternating current flowing through a resistor determined?
How is the peak value of an alternating current flowing through a resistor determined?
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When a coil carrying a current is placed in a magnetic field, what happens if the angle between them changes?
When a coil carrying a current is placed in a magnetic field, what happens if the angle between them changes?
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In which arrangement would the moving coil galvanometer show the least current reading?
In which arrangement would the moving coil galvanometer show the least current reading?
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At what angle does the magnetic flux density influence the maximum deflection of a compass needle?
At what angle does the magnetic flux density influence the maximum deflection of a compass needle?
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What is the formula to calculate the number of turns in the secondary coil of a transformer given the turns ratio?
What is the formula to calculate the number of turns in the secondary coil of a transformer given the turns ratio?
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If the primary current is given by the formula $I_p = \frac{P}{V_p}$, how would you determine the primary current?
If the primary current is given by the formula $I_p = \frac{P}{V_p}$, how would you determine the primary current?
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What is the formula to calculate the voltage across the secondary coil in a transformer?
What is the formula to calculate the voltage across the secondary coil in a transformer?
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Which of the following describes the correct relationship for current in the secondary coil of a transformer?
Which of the following describes the correct relationship for current in the secondary coil of a transformer?
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How is power in the secondary coil calculated in a transformer?
How is power in the secondary coil calculated in a transformer?
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What is the angle of minimum deviation in the context of a triangular prism?
What is the angle of minimum deviation in the context of a triangular prism?
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In a ray diagram for a prism, which angle corresponds to the incident ray entering the prism?
In a ray diagram for a prism, which angle corresponds to the incident ray entering the prism?
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What does the angle of prism (A) represent in optics?
What does the angle of prism (A) represent in optics?
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When plotting the relationship between angle of incidence and angle of deviation, what would typically be observed?
When plotting the relationship between angle of incidence and angle of deviation, what would typically be observed?
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If A = * +, what is the value of (adjA)?
If A = * +, what is the value of (adjA)?
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What are the values of x and y if the equation results in 2[ ] + * + * + is given?
What are the values of x and y if the equation results in 2[ ] + * + * + is given?
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Points (a,0), (0, b), and (1,1) are collinear if which of the following is true?
Points (a,0), (0, b), and (1,1) are collinear if which of the following is true?
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The function f(x) = | | is continuous but not differentiable at which point?
The function f(x) = | | is continuous but not differentiable at which point?
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If y = Sin(3x), what is the derivative of y with respect to x?
If y = Sin(3x), what is the derivative of y with respect to x?
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What type of relation is R = {(2,4), (4,2), (4,6), (6,4)} on the set A = {2,4,6,8}?
What type of relation is R = {(2,4), (4,2), (4,6), (6,4)} on the set A = {2,4,6,8}?
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Determine the properties of the relation R = {(a,a), (a,b), (a,c), (b,c)} on the set A = {a, b, c}.
Determine the properties of the relation R = {(a,a), (a,b), (a,c), (b,c)} on the set A = {a, b, c}.
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What kind of function is f: N → N defined by f(x) = 2x?
What kind of function is f: N → N defined by f(x) = 2x?
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If R represents the set of all real numbers, what can be said about the function defined by f(x) = |x|?
If R represents the set of all real numbers, what can be said about the function defined by f(x) = |x|?
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What is the expression for the inverse function f(x) = 2x + 7?
What is the expression for the inverse function f(x) = 2x + 7?
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What is the value of Cos^(-1)(x) + Cos^(-1)(x)?
What is the value of Cos^(-1)(x) + Cos^(-1)(x)?
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Calculate Sin(x) + Cos(x) when x = π/4.
Calculate Sin(x) + Cos(x) when x = π/4.
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Identify the expression represented by Cos^(-1)(-1).
Identify the expression represented by Cos^(-1)(-1).
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Study Notes
Multiple Choice Questions (Set 1) - Physics
- Question 1: The number of electrons for one coulomb of charge is 6.25 x10¹⁸.
- Question 2: The ratio of forces acting on charges +1µC and +5µC is 1:25.
- Question 3: The equivalent capacitance of three capacitors each with capacity C connected in series is C/3.
- Question 4: If a hollow spherical conductor is charged positively, the electric potential inside it is zero.
- Question 5: The resistance of a conductor with a V-I graph making an angle θ with the V-axis is given by tan θ.
- Question 6: The equation Σe = ΣIR is applicable to Kirchhoff's second law.
- Question 7: The balancing length of a potentiometer is 120 cm. Shunting the cell with a 4-ohm resistance shifts the balance point to 60 cm. The internal resistance of the cell is 2 ohms.
- Question 8: The force acting on a charge moving through a uniform magnetic field is maximum when the angle between the velocity and the magnetic field is 90°.
Multiple Choice Questions (Set 1) - Chemistry
- Question 1: The number of atoms in a body-centered cubic unit cell is 2.
- Question 2: In a cubic close-packed structure, the percentage of space occupied by spheres is 74%.
- Question 3: Molarity of an aqueous solution containing 40g of NaOH in 2 litre of solution is 0.5 M.
- Question 4: EMF of a cell with Nickel and Copper electrode is 0.59 V.
- Question 5: The catalyst used in Haber's process is Fe.
- Question 6: Haematite is an ore of iron.
- Question 7: A catalyst changes the activation energy of a reaction.
- Question 8: Molality is independent of temperature.
- Question 9: The molar conductivity of an electrolyte increases as the dilution increases.
- Question 10: In N₂O₅ , the covalence of nitrogen is 5..
- Question 11: Mn²⁺ ion forms coloured compounds.
- Question 12: Spin only magnetic moment of M²⁺ ion (Z = 27) is 5.92 BM.
- Question 13: In H₃PO₄, phosphorus exists in the +5 oxidation state.
- Question 14: The process of heating an ore in excess air below its melting point is called roasting.
- Question 15: Oxalate is a chelate ligand.
- Question 16: The number of halide ions in [Pt(NH₃)₃Cl₂Br]Cl is 4.
- Question 17: The reaction 2CH₃Br + 2Na → CH₃-CH₃ + 2NaBr is a Wurtz reaction.
- Question 18: CH₃CH₂Br + KOH (alc) → CH₂=CH₂ + KBr + H₂O yields ethene
- Question 19: Butan-2-ol is a secondary alcohol.
- Question 20: C₂H₅OH + H₂SO₄ (443 K) → C₂H₄ + H₂O.
- Question 21: CH₃CHO + 2LiAlH₄ → C₂H₅OH.
- Question 22: Liquation is not a method of metal refining.
- Question 23: Radioactive disintegration is a first-order reaction.
- Question 24: Zn²⁺ is diamagnetic.
- Question 25: Transition elements are d-block elements.
- Question 26: CH₃CH₂I + KCN(alc) yields CH₃CH₂NC.
- Question 27: Hydration of propene in the presence of dilute H₂SO₄ yields CH₃CH(OH)CH₃.
- Question 28: 2C₆H₅CHO + (conc) NaOH yields C₆H₅COONa + C₆H₅CH₂OH.
- Question 29: The hybridisation of nitrogen in CH₃NH₂ is sp³.
- Question 30: A primary amide can be converted into an amine via Hoffmann Bromamide reaction.
- Question 31: The gas evolved when Methylamine reacts with nitrous acid is NH₃.
- Question 32: The products of sucrose hydrolysis are glucose and fructose.
- Question 33: Carbohydrates are stored in the human body as glycogen.
- Question 34: Quinine is a drug used to treat malaria.
- Question 35: Bakelite is a thermosetting plastic.
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Description
Test your knowledge on various chemistry topics including standard reduction potentials, catalysts, and properties of substances. This quiz covers essential concepts in chemical reactions, electrolytes, and biological functions of carbohydrates and drugs. Perfect for students preparing for exams or anyone looking to refresh their chemistry knowledge.
