MCQs in General Chemistry Part X

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(Last Updated On: December 8, 2017)

MCQs in General Chemistry Part 10

This is the Multiples Choice Questions Part 10 of the Series in General chemistry as one of the General Engineering and Applied Sciences (GEAS) topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including past Board Questions in General Engineering and Applied Sciences (GEAS) field.

Online Questions and Answers in General Chemistry Series

Following is the list of multiple choice questions in this brand new series:

General Chemistry MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                   Answer key: PART II
PART 3: MCQs from Number 101 – 150                 Answer key: PART III
PART 4: MCQs from Number 151 – 200                 Answer key: PART IV
PART 5: MCQs from Number 201 – 250                 Answer key: PART V
PART 6: MCQs from Number 251 – 300                 Answer key: PART VI
PART 7: MCQs from Number 301 – 350                 Answer key: PART VII
PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII
PART 9: MCQs from Number 401 – 450                 Answer key: PART IX
PART 10: MCQs from Number 451 – 500                 Answer key: PART X

Continue Practice Exam Test Questions Part X of the Series

Choose the letter of the best answer in each questions.

451. What kind of chemical bond will form in binary compounds where the electronegativity difference between atoms is less than 1.5?

  • A. Covalent Bond
  • B. Ionic Bond
  • C. Metallic Bond
  • D. Chemical Bond

452. The element which has a mass of about 9 amu is Berylium (Be), atomic number 4. What is the charge on the Be atom?

  • A. +4
  • B. +8
  • C. -4
  • D. Neutral

453. The horizontal arrangement of elements of increasing atomic number in a Periodic table is called:

  • A. period
  • B. group
  • C. family
  • D. row

454. Compounds which contain only carbon and hydrogen are called

  • A. polymorphs
  • B. hydrocarbons
  • C. polycarbon
  • D. plastics

455. The property of liquid which describes their resistance to flow is called

  • A. viscosity
  • B. elasticity
  • C. glueyness
  • D. stickiness

456. In oxidation-reduction or redox reactions the component receiving the electrons is called

  • A. reductant
  • B. reducing agent
  • C. oxidant
  • D. acceptor

457. The mass that enters into a chemical reaction remains the unchanged as a result of the reaction. In precise form: mass is neither created nor destroyed. This is known as:

  • A. the law of conservation of mass
  • B. the law of definite proportion
  • C. the law of multiple proportion
  • D. law of conservation of energy

458. When the same elements can form two different two compounds, the ratio of masses of one of the elements in the two compounds is a small whole number relative to a given mass of the other element. This is known as:

  • A. The law of constant composition
  • B. The law of conservation of mass
  • C. The law of multiple proportion
  • D. The law of conservation of energy

459. The ratio of density of the test liquid to the density of a reference Liquid is called:

  • A. specific gravity
  • B. relative gravity
  • C. specific weight
  • D. relative weight

460. How many electrons are there in a covalent bond?

  • A. 3
  • B. 2
  • C. 4
  • D. 8

461. The SI unit of temperature is

  • A. Fahrenheit
  • B. Kelvin
  • C. Celsius
  • D. Rankine

462. The elements that a compound is composed of are present in fixed and precise proportion by mass. This is known as:

  • A. the law of constant composition
  • B. the law of conservation of mass
  • C. the law of multiple proportion
  • D. law of conservation of energy

463. The mass to the nearest atomic-mass unit of an atom which contains 9 protons and 10 neutrons.

  • A. 10 amu
  • B. 19 amu
  • C. 15 amu
  • D. 21 amu

464. The number of protons in the nucleus of an atom is called

  • A. atomic number
  • B. percent abundance
  • C. atomic weight
  • D. oxidation number

465. The measure of the resistance of an object to a changed in its state of Motion is called

  • A. momentum
  • B. mass
  • C. inertia
  • D. velocity

466. Refers to the agreement of a particular value with the true value.

  • A. precision
  • B. error
  • C. tolerance
  • D. accuracy

467. Refers to the degree of arrangement among several measurements of the same quantity.

  • A. accuracy
  • B. precision
  • C. error
  • D. margin

468. A property of matter that is often used by chemist as an “identification tag” for a substance.

  • A. mass
  • B. molarity
  • C. density
  • D. volume

469. Protons and neutrons can be broken down further into elementary particles called

  • A. quarks
  • B. ions
  • C. isotope
  • D. warks

470. The principle of the constant composition of compounds, originally called “Proust’s Law” is now known as

  • A. The law of multiple proportion
  • B. The law of definite proportion
  • C. The law of conservation of mass
  • D. The law of compounds

471. The mass of an alpha a particle is how many times more than that of the Electron?

  • A. 1837 times
  • B. 7300 times
  • C. 1829 times
  • D. 1567 times

472. Atoms with the same number of protons but different number of neutrons are called

  • A. ions
  • B. quarks
  • C. isotopes
  • D. compounds

473. The forces that hold atoms together are called

  • A. mechanical bond
  • B. formula bond
  • C. atomic bind
  • D. chemical bond

474. An atom or group of atoms that has a net positive or negative charge is called

  • A. ion
  • B. isotope
  • C. positron
  • D. polymer

475. A positive ion is called

  • A. positron
  • B. anion
  • C. cation
  • D. quark

476. A negative ion is called

  • A. positron
  • B. anion
  • C. cation
  • D. quark

477. The force of attraction between oppositely charged ions is called

  • A. ionic bonding
  • B. covalent bonding
  • C. polar bonding
  • D. metallic bonding

478. The horizontal arrangement of elements of increasing atomic in a periodic table is called

  • A. group
  • B. period
  • C. series
  • D. row

479. The vertical arrangement of elements in the periodic table is called

  • A. period
  • B. group
  • C. series
  • D. column

480. If the number of gas molecule is doubled in a certain volume of a gas the pressure

  • A. is decreased to half
  • B. is doubled
  • C. is increased to four times
  • D. remains unchanged

481. A symbolic representation to emphasize the valence shell of an atom is called

  • A. argand diagram
  • B. constellation diagram
  • C. electron dot diagram
  • D. structural formula

482. For which elements do the number of electrons in their outer or valence shell correspond to their group number?

  • A. transition group
  • B. noble gas
  • C. representative or main group
  • D. metals

483. What is the maximum number of electrons that can fit into a “p” orbital?

  • A. 2
  • B. 4
  • C. 6
  • D. 8

484. Atoms or ions which have the same electronic configuration

  • A. isoelectronic
  • B. isometric
  • C. iso-ionic
  • D. isotope

485. Which group of the periodic table is known as the alkali metals?

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

486. Which group of the periodic table is known as the halogens?

  • A. Group 4
  • B. Group 5
  • C. Group 6
  • D. Group 7

Complete List of MCQs in General Engineering and Applied Science per topic

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