NEW
Font size
WorksheetsCBRC Diagnostic Exam Chem
Total questions: 35
Worksheet time: 18mins
It is the sum of the number of protons in the nucleus of each atom of the element
Mass number
Atomic symbol
. Atomic number
Molecular weight
It indicates the shape of an orbital.
Magnetic quantum number
Spin quantum number
Principal quantum number
Angular quantum number
It is an interconversion of matter from solid to liquid.
Deposition
Sublimation
Evaporation
Melting
A scientist who proposed the “Nuclear Model”.
Dalton
Bohr
Thompson
Rutherford
Which of the following is true regarding a reducing agent?
Decrease in valence
Reducing agent undergoes oxidation
Gains electron
Reducing agent undergoes reduction
It is a state of matter that has the ability to flow and its individual particles are confined to a given volume.
Solid
Plasma
Liquid
Gas
Which of the following is not true regarding heterogeneous mixtures?
Particles cause Tyndall effect
Not uniform
An example is a salt solution
Combination of two or more compounds
It is a state at which the amount of reactants and products present are constant.
Chemical reaction
Chemical equation
Chemical process
Chemical equilibrium
What is the oxidation number of permanganate ion?
-2
-1
+2
+1
What type of reaction is involved in this example: 2KI+Pb(NO3)2→2KNO3+PbI2?
Synthesis
Decomposition
Double replacement
Single replacement
A branch of chemistry that applies the mathematical theories and methods of physics to the properties of matter, chemical process and energy changes.
Physical Chemistry
Analytical Chemistry
Biochemistry
Inorganic chemistry
Which of the following is an example of a chemical property of matter?
Density
Refractive index
Formation of bubbles
Melting point
A scientist who experimentally demonstrated that the major properties of an element are determined by the atomic number.
Lavoisier
Moseley
Newlands
Mendeleev
It states that “mass is neither created not destroyed in a chemical reaction, total mass of the reactant and product will be the same at any point in time in a closed system”.
Law of conservation of mass
Le Chatelier’s principle
Law of definite proportions
Law of Multiple proportions
These are atoms having same atomic number but different mass number.
None of the above
Isotone
Isotopes
Isobar
It is an enzyme which catalyzes the synthesis of two molecular substrates into one molecular compound with the released energy
Ligase
somerase
Hydrolase
Lyase
It is a test used for differentiating primary, secondary, and tertiary alcohols.
Iodoform Test
Lucas’ Test
Ferric Chloride Test
Schiffs’ Test
These are molecules that have the same chemical formula but differ in the arrangement of atoms
Chirality
Organic Chemistry
Stereochemistry
Isomers
An organic solvent used for preserving tissues and embalming
Petroleum ether
Alcohol
Formaldehyde
Acetone
Which of the following drugs undergoes an oxidation reaction after drug metabolism?
Prontosil to sulfanilamide
Aspirin to salicylic acid and acetic acid
Cortisone to hydrocortisone
Phenacetin to paracetamol
It is the oldest and considered the most accurate way of obtaining estimations of preferred molecular shape, arrangement, and characterizing the structure and bonding of compounds.
Computational Chemistry
Combinatorial Chemistry
Screening
X – ray Crystallography
It is the original source of insulin
Pancreas of cows
Pancreas of pigs
Pancreas of sheeps
Pancreas of cattles
It is an enzyme that has an antacid property.
Pancrelipase
Alteplase
Diastase
Sutilains
It is the only immunoglobulin that is responsible for hypersensitivity reactions.
IgM
IgG
IgA
IgE
Which of the following is not a component of glutathione?
Glutamate
Aspartate
Cysteine
Glutamate
What is the composition of the Tollen’s Reagent?
Silver nitrate, Sodium hydroxide, and Ammonia
Copper sulfate and Sulfuric acid
Zinc Chloride and Hydrochloric acid
Rochelle Salt and Sodium Hydroxide
It considers the crystal or amorphous form of the drug that can affect its dissolution rate.
Physical Form
Stability
Partition coefficient
Partition coefficient
Drugs susceptibility to oxidative decomposition, protection against moisture and light in formulations are properties of drugs that should be consider in preparing a pharmaceutical product.
Dissolution rate
Stability
Stability
Drug solubility
It is a type of acquired immunity where an antibody is given by injection.
Naturally acquired active immunity
Naturally acquired passive immunity
Artificially acquired passive immunity
Artificially acquired active immunity
It is a prefix that pertains to 6 carbons.
Valer
Enanth
Capro
Propion
It is the chemical formula of lead chromate which has a distinct yellow precipitate color.
PbCrO4
PbCrO7
Pb2CrO4
Pb2CrO7
It is the chemical of silver arsenate which has a distinct reddish-brown color of the precipitate.
Ag3AsO4
Ag3AsO3
Ag2AsO4
. AgAsO4
It is the main activity of sodium bismuthate in the identification of the manganese ion.
Precipitating agent
Reducing agent
Oxidizing agent
Complexing agent
It is the characteristic pH that favors the precipitation of silver chloride.
Neutral
Acidic
No change in pH
Basic
It is composed of water-insoluble anions produced by sodium peroxide and excess potassium hydroxide.
Group 3A cations
Group 2B cations
Group 2A cations
Group 3B cations
