Day 1 Flashcards
Particle with the same mass of proton
Neutron
What does a nucleus atom contain?
Protons and neutrons
Who discovered radioactivity?
Henri Becquerel
Who discovered vulcanization?
Charles Goodyear
Number of carbon atoms in olvanil?
26 (C26H43NO3)
Formula of Alar
C6H12N2O3
Author of Octet Rule
Gilbert Lewis
Formula of red lead
Pb3O4
Which layer of the atmosphere contains the ozone layer?
Stratosphere
Composition of acid in acid rain
Sulphuric and Nitric acids
Chemical formula for 11-tetradecenyl acetate
C16H30O2
Nearest layer of the atmosphere from the earth’s surface
Troposhere
How to differentiate alkane, alkene and alkyne?
Reaction with Br2
Adolf Bayers contribution in medicine, made by reacting malonic acid and urea with a catalyst is called
Barbituric acid
An organic reaction where the unsaturated bonds of alkanes, alkynes or azo compounds are cleaved with ozone
Ozonolysis
Developed by Pehr Edman, is a method of sequencing amino acids in a peptide
Edman degradation
What is the other name for bulk temperature?
Mixing cup temperature
Where does the enzyme capsaicin commonly found
Capsicum
Common method for the removal of fine particles in hot airstream common in cement production
ESP
What is the method that Wohler do to break the vital force theory in nature?
Heating Nh4Cl with AgCN to form urea
What is the common form of nitro-glycerol
Nitroglycerin
Common contaminant on BTEx process
Benzene, Toluene, Ethylbenzene and Xylene
A bond in which electrons are shared between elements having a difference in electronegativity of between 0.5 and 2
Polar Covalent Bond
Arrange in increasing melting point
palmitic, stearic, oleic
Oleic, palmitic, stearic
What is the primary use of ethylene
Ripening of fruits
What law is the PRC Modernization Act?
Republic Act No. 8981
What happen to the pH of carbonated drinks if it open in atmospheric condition?
Increase
Formation of glucose from non-carbohydrate sources
Gluconeogenesis
Polymer use in bulletproof vest
Linear polyethylene
Nagwa ni sa board exam namun
Who discovered resonance?
Linus Pauling
What is the chemical used in sunblock
ZnO
Liquid nitrogen is placed in an erlenmeyer flask. Hard boiled egg is then placed on top of the opening, what will happen?
Egg will be sucked in
Ketone and aldehyde in alcohol will form
Ketals and acetals
What is the first step in utilizing proteins
Hydrolysis
What is the molecular weight of sucrose
342
How does alpha, beta and gamma particle affect the mass number of an atom
4, 0, 0
Can oxygen be synthesized from nitrogen?
Impossible
