This is the Multiples Choice Questions Part 8 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:
Continue Practice Exam Test Questions Part VIII of the Series
Choose the letter of the best answer in each questions.
351. What is the opposite of alkali?
- A. Acid
- B. Fluid
- C. Carbon
- D. Oxide
352. The amount of electricity a battery can produce is controlled by the __________.
- A. Thickness of the plate
- B. Plate surface area
- C. Strength of the acid
- D. Discharge load
353. What represents the number of protons in the nucleus of an atom?
- A. Molecular number
- B. Proton number
- C. Mass number
- D. Atomic number
354. The electrolyte is a solution of water and __________.
- A. Sulfuric acid
- B. Uric acid
- C. Nitric acid
- D. Formic acid
355. What is deuteron?
- A. A neutron plus two protons
- B. A nucleus containing a neutron and a proton
- C. An electron with a positive charge
- D. A helium molecules
356. Which of the following elements is NOT radioactive?
- A. Plutonium
- B. Californium
- C. Uranium
- D. Cobalt
357. The formula for DinitrogenPentoxide is:
- A. N2O5
- B. NO3
- C. NO
- D. N3O4
358. One of the following statements is wrong. Which one is it?
- A. Electron is an elementary quantity of negative electricity
- B. Proton is an elementary quantity of positive electricity
- C. An atom is composed of a central nucleus and orbital electrons
- D. The mass of an electron is heavier than that of a proton
359. What are compounds with the same molecular formula but with different structural formula?
- A. Aldehydes
- B. Amines
- C. Isomers
- D. Esters
360. What is formed when a carboxylic acid and an alcohol react, with water as a by-product?
- A. Amine
- B. Ester
- C. Polymer
- D. Teflon
361. What common carboxylic acid is found in yogurt?
- A. Lactic acid
- B. Citric acid
- C. Tartaric acid
- D. Lauric acid
362. What carboxylic acid is found in grapes?
- A. Lactic acid
- B. Citric acid
- C. Tartaric acid
- D. Lauric acid
363. What carboxylic acid is found in coconut oil?
- A. Lactic acid
- B. Citric acid
- C. Tartaric acid
- D. Lauric acid
364. What do you call the distance pattern in space which the atoms of metal arranged themselves when they combine to produce a substance of recognizable size?
- A. Space-lattice
- B. Crystal
- C. Grain
- D. Unit cell
365. When a solid has crystalline structure, the atoms arranged in repeating structures called ________.
- A. Lattice
- B. Unit cell
- C. Crystal
- D. Domain
366. What refers to a crystal imperfection characterized by regions of severe atomic misfit where atoms are not properly surrounded by neighbor atoms?
- A. Discrystallization
- B. Dislocation
- C. Slip step
- D. Dispersion
367. In electrochemistry, oxidation is a loss of __________.
- A. Ion
- B. Electron
- C. Proton
- D. Anode
368. What is the process of putting back the lost electrons to convert the ion back to a metal?
- A. Oxidation
- B. Corrosion
- C. Reduction
- D. Ionization
369. Oxidation in an electrochemical cell always takes place where?
- A. At the anode
- B. At the cathode
- C. At the electrode
- D. At both cathode and anode
370. Reduction in an electrochemical cell always takes place where?
- A. At the anode
- B. At the cathode
- C. At the electrode
- D. At both cathode and anode
371. What is equal to the fraction of the isotope in a naturally occurring sample of the element?
- A. The chemical atomic weight of the isotope
- B. The relative abundance of the isotope
- C. The electromagnetivity of the isotope
- D. The quantum number of the isotope
372. What refers to salts of weak bases dissolving in water to form acidic solution?
- A. Hydrolysis
- B. Neutralization
- C. Bufferization
- D. Titration
373. Which of the following elements has the highest atomic number?
- A. Titanium
- B. Plutonium
- C. Uranium
- D. Radium
374. All are properties of gaseous state except one. Which one?
- A. May be expanded or may be compressed
- B. Have low densities
- C. Indefinite shape
- D. Mixed uniformly when soluble in one another
375. All are properties of liquid state except one. Which one?
- A. Do not expand nor compress to any degree
- B. Usually flow readily
- C. Indefinite shape but fixed volume
- D. Do not mix by diffusion
376. What type of hydrocarbons that do not contain the benzene group or the benzene ring?
- A. Aromatic hydrocarbon
- B. Aliphatic hydrocarbon
- C. Simple hydrocarbon
- D. Carbon hydrocarbon
377. What is an organic compound that contains the hydroxyl group?
- A. Base
- B. Acid
- C. Alcohol
- D. Wine
378. What is a reaction in which one molecule adds to another?
- A. Partial reaction
- B. Monomolecular reaction
- C. Molecular reaction
- D. Additional reaction
379. What refers to the minimum amount of energy required to initiate a chemical reaction?
- A. Atomic energy
- B. Activation energy
- C. Initial energy
- D. Reaction energy
380. Oxygen comprises what percent in mass in the earth’s crust?
- A. 50.0
- B. 49.5
- C. 48.5
- D. 47.5
381. What percent of the human body is carbon?
- A. 22 %
- B. 20 %
- C. 18 %
- D. 16 %
382. What refers to how closely a measured value agrees with the correct value?
- A. Accuracy
- B. Precision
- C. Relative precision
- D. Relative accuracy
383. What refers to how closely individual measurements agree with each other?
- A. Accuracy
- B. Precision
- C. Relative precision
- D. Relative accuracy
384. What is the physical appearance of sodium?
- A. Silver metal
- B. Yellowish metal
- C. White crystal
- D. Reddish gas
385. What is the physical appearance of chlorine?
- A. Silver metal
- B. White crystal
- C. Yellowish gas
- D. White metal
386. What is the physical appearance of sodium chloride?
- A. Silver metal
- B. White crystal
- C. Yellowish gas
- D. White metal
387. Who proposed the quantum theory in 1900?
- A. J,J Thomson
- B. Neils Bohr
- C. Max Planck
- D. Ernest Rutherford
388. What is a general term that refers to an allowed energy state for an electron in the atom?
- A. Quantum orbital level
- B. Quantum energy level
- C. Orbital
- D. Quantum Theory
389. Who performed an experiment in 1887 that yielded the charge-to-mass ratio of the electrons?
- A. Niels Bohr
- B. Ernest Rutherford
- C. J.J Thompson
- D. Max Planck
390. What is an alloy of mercury with another metal or metals?
- A. Amalgram
- B. Amine
- C. Allotrope
- D. Alkynes
391. A compound that contains at least one animo group and at least one carboxyl group is called __________.
- A. Allotrope
- B. Animo acid
- C. Alkenes
- D. Alkynes
392. A molecular orbit that is of higher energy and lower stability than the atomic orbitals from which it was formed is called __________.
- A. Main molecular orbital
- B. Partial molecular orbital
- C. Bonding molecular orbital
- D. Anti-bonding molecular orbital
393. A molecular orbit that is of lower energy and greater stability than the atomic orbitals from which it was formed is called __________.
- A. Main molecular orbital
- B. Partial molecular orbital
- C. Bonding molecular orbital
- D. anti-bonding molecular orbital
394. An ion containing a central metal cation bonded to one or more molecules or ions called __________.
- A. Compound ion
- B. Complex ion
- C. Simplex ion
- D. Buffer ion
395. Compounds containing CN ion are called __________.
- A. Cyanides
- B. Cycloalkanes
- C. Carbides
- D. Carboxylic acids
396. A molecule that does not possess a dipole moment is called __________.
- A. Polar molecule
- B. Non- polar molecule
- C. Non-electrolytic molecule
- D. Electrolytic molecule
397. What refers to a substance that when dissolved in water, gives a solution that is not electrically conducting?
- A. Non-polar
- B. Electrolyte
- C. Non-electrolyte
- D. Polar
398. What refers to a chemical formula that shows how atoms are bonded to one another in a molecule?
- A. Molecular formula
- B. Structural formula
- C. Standard formula
- D. Bonding formula
399. What refers to ions that are not involved in the overall reaction?
- A. Guest ion
- B. Special ions
- C. Spectator ions
- D. Extra ions
400. A compound distinguished by a high molar mass, ranging into thousands and millions of grams, and made up of many repeating cells is called __________.
- A. Electrolyte
- B. Polymer
- C. Nucleotide
- D. Oxoacid
Post a Comment