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MHT-CET

Chemistry (MHT-CET) Mathematics (MHT-CET) Physics (MHT-CET)

Q. What is the Nernst equation for a cell at 298 K with E° = 0.77 V and [Zn²⁺] = 0.01 M?

A. E = 0.77 - 0.0591 log(0.01)
B. E = 0.77 + 0.0591 log(0.01)
C. E = 0.77 - 0.0591 log(100)
D. E = 0.77 + 0.0591 log(100)

Solution

Using the Nernst equation: E = E° - (0.0591/n) log([Zn²⁺]), where n=2.

Correct Answer: A — E = 0.77 - 0.0591 log(0.01)

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Q. What is the Nernst equation used for calculating the cell potential at non-standard conditions? (2023)

A. E = E° - (RT/nF)lnQ
B. E = E° + (RT/nF)lnQ
C. E = E° - (nF/RT)lnQ
D. E = E° + (nF/RT)lnQ

Solution

The Nernst equation is E = E° - (RT/nF)lnQ, where E is the cell potential, E° is the standard potential, R is the gas constant, T is the temperature, n is the number of moles of electrons, and F is Faraday's constant.

Correct Answer: A — E = E° - (RT/nF)lnQ

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Q. What is the Nernst equation used for? (2023) 2023

A. Calculating pH
B. Determining cell potential
C. Measuring current
D. Finding resistance

Solution

The Nernst equation is used to determine the cell potential under non-standard conditions.

Correct Answer: B — Determining cell potential

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Q. What is the net force acting on a 12 kg object moving with a constant velocity? (2023)

A. 0 N
B. 12 N
C. 24 N
D. 36 N

Solution

According to Newton's first law, if the object is moving with constant velocity, the net force is 0 N.

Correct Answer: A — 0 N

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Q. What is the net force acting on a 15 kg object moving with a constant velocity? (2021)

A. 0 N
B. 15 N
C. 30 N
D. 45 N

Solution

If the object is moving with constant velocity, net force is 0 N (Newton's first law).

Correct Answer: A — 0 N

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Q. What is the net force acting on a 15 kg object that is accelerating at 4 m/s²? (2020)

A. 60 N
B. 30 N
C. 45 N
D. 75 N

Solution

Net force F = m × a = 15 kg × 4 m/s² = 60 N.

Correct Answer: A — 60 N

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Q. What is the normality of a solution containing 3 moles of H2SO4 in 1 liter of solution? (2022) 2022

A. 3 N
B. 6 N
C. 1.5 N
D. 0.5 N

Solution

Normality (N) = n * molarity, where n = number of equivalents. For H2SO4, n = 2. Thus, N = 2 * 3 M = 6 N.

Correct Answer: B — 6 N

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Q. What is the number of moles in 10 grams of H2? (2020)

A. 0.5
B. 1
C. 2
D. 0.25

Solution

Molar mass of H2 = 2 g/mol. Number of moles = mass/molar mass = 10 g / 2 g/mol = 5 moles.

Correct Answer: A — 0.5

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Q. What is the number of moles in 10 grams of hydrogen gas (H2)? (2019)

A. 5
B. 0.5
C. 1
D. 2

Solution

Molar mass of H2 = 2 g/mol. Number of moles = 10g/2g/mol = 5 moles.

Correct Answer: B — 0.5

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Q. What is the number of moles in 250 mL of a 2 M NaCl solution? (2021)

A. 0.5
B. 1
C. 2
D. 0.25

Solution

Moles = Molarity x Volume (L) = 2 M x 0.250 L = 0.5 moles.

Correct Answer: A — 0.5

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Q. What is the number of moles in 44 grams of carbon dioxide (CO2)? (2023)

A. 1 mole
B. 2 moles
C. 0.5 moles
D. 0.25 moles

Solution

The molar mass of CO2 is 44 g/mol. Therefore, 44 g of CO2 corresponds to 1 mole.

Correct Answer: A — 1 mole

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Q. What is the number of moles in 44 grams of CO2? (2021) 2021

A. 1
B. 2
C. 0.5
D. 0.25

Solution

Molar mass of CO2 = 12 + 16*2 = 44 g/mol. Number of moles = mass/molar mass = 44g/44g/mol = 1 mole.

Correct Answer: A — 1

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Q. What is the number of moles in 500 mL of a 2 M NaCl solution? (2023)

A. 1
B. 0.5
C. 2
D. 0.25

Solution

Moles = Molarity x Volume (L) = 2 moles/L x 0.5 L = 1 mole.

Correct Answer: A — 1

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Q. What is the oxidation state of chlorine in NaClO3? (2022) 2022

A. +1
B. +3
C. +5
D. +7

Solution

In NaClO3, the oxidation state of chlorine is +5. Sodium is +1 and each oxygen is -2, leading to the equation: +1 + x + 3(-2) = 0, solving gives x = +5.

Correct Answer: C — +5

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Q. What is the oxidation state of chromium in K2Cr2O7? (2021) 2021

A. +3
B. +6
C. +2
D. +5

Solution

In K2Cr2O7, the total charge from potassium (K) is +2, and oxygen (O) contributes -14. Let the oxidation state of Cr be x. The equation is 2x - 14 + 2 = 0, solving gives x = +6.

Correct Answer: B — +6

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Q. What is the oxidation state of nitrogen in NH4+? (2020) 2020

A. -3
B. 0
C. +1
D. +3

Solution

In NH4+, nitrogen has an oxidation state of -3. Each hydrogen is +1, leading to the equation: x + 4(+1) = +1, solving gives x = -3.

Correct Answer: A — -3

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Q. What is the oxidation state of phosphorus in phosphoric acid (H3PO4)? (2020) 2020

A. +3
B. +5
C. 0
D. -3

Solution

In H3PO4, phosphorus has an oxidation state of +5.

Correct Answer: B — +5

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Q. What is the oxidation state of sulfur in H2SO4? (2021) 2021

A. +6
B. +4
C. +2
D. 0

Solution

In H2SO4, the oxidation state of sulfur is +6. Each hydrogen is +1 and each oxygen is -2, leading to the equation: 2(+1) + x + 4(-2) = 0, solving gives x = +6.

Correct Answer: A — +6

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Q. What is the oxidation state of sulfur in H2SO4? (2023) 2023

A. +2
B. +4
C. +6
D. 0

Solution

In H2SO4, the oxidation state of sulfur is +6.

Correct Answer: C — +6

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Q. What is the particular solution of dy/dx = 4y with the initial condition y(0) = 2?

A. y = 2e^(4x)
B. y = e^(4x)
C. y = 4e^(4x)
D. y = 2e^(x)

Solution

The general solution is y = Ce^(4x). Using the initial condition y(0) = 2, we find C = 2, thus y = 2e^(4x).

Correct Answer: A — y = 2e^(4x)

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Q. What is the percentage by mass of a solution containing 15 grams of solute in 85 grams of solvent? (2021)

A. 15%
B. 17.65%
C. 20%
D. 25%

Solution

Percentage by mass = (mass of solute / total mass) × 100 = (15 g / (15 g + 85 g)) × 100 = 17.65%.

Correct Answer: B — 17.65%

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Q. What is the percentage concentration of a solution containing 15 g of solute in 150 g of solution? (2023)

A. 10%
B. 15%
C. 20%
D. 25%

Solution

Percentage concentration = (mass of solute / mass of solution) × 100 = (15 g / 150 g) × 100 = 10%

Correct Answer: B — 15%

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Q. What is the percentage concentration of a solution containing 20 g of solute in 200 g of solution? (2021)

A. 10%
B. 20%
C. 5%
D. 15%

Solution

Percentage concentration = (mass of solute / mass of solution) × 100 = (20 g / 200 g) × 100 = 10%.

Correct Answer: A — 10%

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Q. What is the period number of Argon? (2020)

A. 2
B. 3
C. 4
D. 5

Solution

Argon is located in Period 3 of the periodic table.

Correct Answer: C — 4

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Q. What is the period number of Lithium in the periodic table? (2022)

A. 1
B. 2
C. 3
D. 4

Solution

Lithium is located in period 2 of the periodic table.

Correct Answer: B — 2

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Q. What is the period number of Lithium? (2016) 2016

A. 1
B. 2
C. 3
D. 4

Solution

Lithium is located in period 2 of the periodic table.

Correct Answer: B — 2

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Q. What is the period number of Sodium in the periodic table? (2017)

A. 1
B. 2
C. 3
D. 4

Solution

Sodium is in period 3 of the periodic table.

Correct Answer: C — 3

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Q. What is the pH of a 0.001 M acetic acid solution (Ka = 1.8 x 10^-5)?

A. 2.87
B. 3.87
C. 4.87
D. 5.87

Solution

Using the formula for weak acids, pH = 0.5(pKa - logC) = 0.5(4.74 - log(0.001)) = 3.87.

Correct Answer: B — 3.87

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Q. What is the pH of a 0.001 M solution of hydrochloric acid?

A. 3
B. 4
C. 5
D. 6

Solution

pH = -log(0.001) = 3.

Correct Answer: A — 3

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Q. What is the pH of a 0.01 M HCl solution? (2021) 2021

A. 1
B. 2
C. 3
D. 4

Solution

For a strong acid like HCl, pH = -log[H+] = -log(0.01) = 2.

Correct Answer: A — 1

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Showing 1891 to 1920 of 2530 (85 Pages)

MHT-CET MCQ & Objective Questions

The MHT-CET exam is a crucial stepping stone for students aspiring to pursue engineering and pharmacy courses in Maharashtra. Mastering the MHT-CET MCQ format is essential, as it not only tests your knowledge but also enhances your exam preparation strategy. Practicing objective questions helps in identifying important concepts and improves your chances of scoring better in this competitive exam.

What You Will Practise Here

Fundamental concepts in Physics, Chemistry, and Mathematics
Key formulas and their applications in problem-solving
Important definitions and terminologies relevant to MHT-CET
Diagrams and illustrations for better conceptual understanding
Practice questions that mirror the exam pattern
Analysis of previous years' MHT-CET questions
Techniques for tackling tricky MCQs effectively

Exam Relevance

The MHT-CET exam is aligned with the syllabus of CBSE, State Boards, and is also relevant for students preparing for NEET and JEE. Many concepts from the MHT-CET syllabus appear in these competitive exams, often in the form of application-based questions or conceptual MCQs. Understanding the common question patterns can significantly enhance your preparation and performance.

Common Mistakes Students Make

Misinterpreting questions due to lack of clarity in reading
Neglecting to review fundamental concepts before attempting MCQs
Overlooking units and dimensions in Physics and Chemistry problems
Rushing through practice questions without thorough understanding
Failing to manage time effectively during the exam

FAQs

Question: What are the best resources for MHT-CET MCQ questions?
Answer: Utilizing online platforms like SoulShift, which offer a variety of practice questions and mock tests, can be very beneficial.

Question: How can I improve my speed in solving MHT-CET objective questions?
Answer: Regular practice and timed mock tests can help enhance your speed and accuracy in solving MCQs.

Start your journey towards success by solving MHT-CET practice MCQs today! Test your understanding and build your confidence for the exam ahead.

MHT-CET

MHT-CET MCQ & Objective Questions

What You Will Practise Here

Exam Relevance

Common Mistakes Students Make

FAQs

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