Molecular Engineering MCQs (Chapterwise Multiple Choice Questions)

Electron capture is the decay of an unstable nucleus by:

Capturing an electron from an inner orbital of an atom

Losing or gaining neutrons

Splitting into smaller atoms

Gaining or losing protons

Answer & Explanation

Correct Answer: Capturing an electron from an inner orbital of an atom

Note: This Question is unanswered, help us to find answer for this one

What is the end product of a radioactive decay series?

A radioactive nucleus with a half-life

A radioactive nucleus with a mass number

A stable, non-radioactive nucleus

An unstable, radioactive nucleus

Answer & Explanation

Correct Answer: A stable, non-radioactive nucleus

Note: This Question is unanswered, help us to find answer for this one

What is the general process of advancing scientific knowledge through observation, the framing of laws, hypotheses, or theories, and the conducting of more experiments?

Scientific principle

Hypothesis

Scientific method

Scientific law

Answer & Explanation

Correct Answer: Scientific method

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What is Phase one?

When there is no change in the properties of matter

A homogeneous material present in the portion of matter under study

When all matter is in the same state

The first stage of a process

Answer & Explanation

Correct Answer: A homogeneous material present in the portion of matter under study

Note: This Question is unanswered, help us to find answer for this one

Aldosterone plays a primary role in adjustment of ____________ excretion.

Sodium

Adrenal cortex

Tubules

All of this

Answer & Explanation

Correct Answer: Sodium

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What is the term for the mass percentages of each element in a compound?

Empirical composition

Percentage composition

Molecular composition

Molar composition

Answer & Explanation

Correct Answer: Percentage composition

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What is deliquescence?

Process by which a solute dissolves in a solvent.

Process by which a salt loses its water of crystallization.

Process by which a soluble substance picks up water vapor from the atmosphere to form a solution.

Process by which a solvent evaporates to leave a residue of solute.

Answer & Explanation

Correct Answer: Process by which a soluble substance picks up water vapor from the atmosphere to form a solution.

Note: This Question is unanswered, help us to find answer for this one

For which particles does the shell model of the nucleus provide a description?

Alpha particles

Electrons

Photons

Protons and neutrons

Answer & Explanation

Correct Answer: Protons and neutrons

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What does the 'K' in K or L shell electron stand for?

Kilo

Kelvin

Kinetic

Krypton

Answer & Explanation

Correct Answer: Kinetic

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What is a delocalized electron?

An electron that is not moving

An electron that is not associated with a particular atom or single covalent bond

An electron that is associated with a particular atom or single covalent bond

An electron that is not associated with a particular ion, atom, or molecule

Answer & Explanation

Correct Answer: An electron that is not associated with a particular atom or single covalent bond

Note: This Question is unanswered, help us to find answer for this one

Molecular Engineering Quick Quiz

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Start Practicing with our MCQs given below.

MCQ on Basic Molecular Engineering	MCQ on Comprehensive General Chemistry
MCQ on Fundamentals of Cell and Molecular Biology	MCQ on Introduction to Biochemistry
MCQ on Introductory General Chemistry	MCQ on Mathematical Methods in the Physical Sciences
MCQ on Molecular Biology of the Cell	General Molecular Engineering MCQs