PAST BOARDS 2015 Flashcards
Define DNA and RNA
Deoxyribonucleic Acid and Ribonucleic Acid
Zoological Question
Why trouts like to live in cold water?
Trouts are cold blooded.
Their metabolism slows down in cold water than in warm water
When will a pine tree grow in Alaska?
A. Not in a million years
B. It depends on the carbon dioxide
C. Greenhouse effect
D. All of the above
A. Not in a million years
What is the unit of avogadros number?
Atoms/mol
Which of the ff. involves a chemical reaction?
A. Reaction of Nonmentals
B. Oxidation Reduction
Oxidation Reduction
Define zeroth law of thermodynamics?
When two bodies are in thermal equilibrium with some third body, then they are also in equilibrium w/ each other
Differentiate electromagnetic waves and radiation?
A. Wavelength
B. Photons
C. Frequency
D. Energy
Photons
Similarities between malic acid and citric acid
Carboxylic acid
What is the diprotic nature of oxalic acid?
Diprotic nature of oxalic acid (H2C2O4) have two acidic hydrogen atoms
Who discovered theory of resonance?
Linus Pauling
If you are a chemical engineer and in the cement industry, how will you collect dust?
ESP or Electrostatic Precipitator
Process of inventing new genetic information into existing cells inorder to modify a specific organism for the purpose of changing its characteristics
Genetic Engineering
Plays a major role in large scale production of biochemical products by applying the principles of engineering to the activity of living cells
Biochemical Engineering
How is something made polar?
Difference between electronegativity is less/greater than 2.1
What is Arrhenius base and acid equilibrium?
A. 0.01 M with pK 1.8
B. 0.1 M of weak acid and 0.01 M of the same acid
C. 0.1 M of acid and 0.1 M of base
Arrhenius acid- a substance that dissociates in water to form hydrogen ions (H+)
Arrhenius base- a substance that dissociates in water to form hydroxide (OH-)
Why does carbon have a lot of alkyl substituent possibilities?
A. Four potentials of sharing (due to valence )
B. Cyclo/linear characteristics
What will you do to protect iron from corrosion?
How many neutrons are there in C-14?
Instrument used in measuring radiation?
What will you put in the thermocouple to increase the accuracy of the reading?
What instrument is used in measuring temperature without contact with the fluid or vessel?
Filter that you can remove the plates and stuff
Kind of flow that is imaginary?
A. One dimensional
B. Turbulent
C. Multi-dimensional
D. Viscous
Chemical Name of Sylbite
If you are an engineer where would you base your operations?
