DAY 1- SESSION 4&5

Question 1

Cupric Oleate

Answer 1

Cu(C18H33O2)2

Question 2

Emerald

Answer 2

Be3Al2Si6O18

Question 3

Prussian Blue

Answer 3

Fe4[Fe(CN)6]3

Question 4

Lapis Lazuli

Answer 4

Na4SSi3Al3O12

Question 5

Sherwood Roland and Mario Molina’s work on stratospheric ozone depletion garnered them the 1995 Nobel Prize in Chemistry. They determined _________ which act as a catalyst for the decomposition of ozone.

Answer 5

Chlorine Atoms

Question 6

Demonstrated that chemical compounds of nitrogen oxide accelerate the destruction of stratospheric ozone

Answer 6

Paul Crutzen

Question 7

For a biochemical study involving the tigers at Malabon Zoo, a fatty acid was labeled with carbon-14. The sample was then fed to the tigers and after a few hours the tigers breath was analyzed. In which among the following
compounds would you expect for the radioactive material to be detected?

Answer 7

As Carbon Dioxide

Question 8

Classify whether the ff biochemical compounds are hydrophilic, hydrophobic, or amphipathic:

Fatty Acid, Glycerol, Soap, Stearic acid

Answer 8

Hydrophobic, Hydrophilic, Amphipathic, Hydrophobic

Question 9

Kernite

Answer 9

Na2B4O7•4H2O

Question 10

Borax

Answer 10

Na2B4O7•10H2O

Question 11

Two most common components of acid rain

Answer 11

Sulfuric acid and Nitric acid

Question 12

Cobalt-60

Answer 12

Used for cancer therapy

Question 13

Thallium-204

Answer 13

Heart scan in exercise

Question 14

Tritium

Answer 14

Measures water content of the body

Question 15

Mercury-197

Answer 15

Used in Kidney scans

Question 16

Raschig Process (Hydrazine Production)

Answer 16

Balanced Chemical Reaction:

2NH3 + Cl2 + 2NaOH -> N2H4 + 2NaCl + 2H2O

Question 17

Radioactive nuclide that is often bombarded with the various isotopes of lead in order to produce most of the new superheavy elements

Answer 17

Calcium-48 and Nickel-64

Question 18

Discovered superheavy elements from Plutonium and Lawrencium

Answer 18

Glenn T. Seaborg

Question 19

Iodine-131

Answer 19

Used for Thyroid Malfunctions
Discovered by: Glenn T. Seaborg

Question 20

Helps in diagnosing albinism

Answer 20

Chromium-51

Question 21

Whole body scan for tumors

Answer 21

Gallium-67

Question 22

Used in scanning pancreas

Answer 22

Selenium-75

Question 23

Used in lung ventilation scans

Answer 23

Krypton-81m

Question 24

A person’s sense of smell and taste depends on specific biochemical receptors present in a person’s nose and mouth. In 2004, a Nobel prize was given to the researchers who
established this fact and identified the type of organic compound associated with the sense of smell and taste. The chemical identified was:

Answer 24

Rhodopsin

Richard Axel & Linda Buck

Question 25

Chemical involved for the sense of sight

Answer 25

Retinal

George Wald

Question 26

Vitamin A

Answer 26

Retinol

Question 27

Vitamin B12

Answer 27

Riboflavin

Question 28

Halogens have the tendency to form compounds with one another called interhalogens. Which among the following molecules has the lowest boiling point?

a. Bromine Chloride
b. Iodine Bromide
c. Chlorine Fluoride
d. Bromine Fluoride

Answer 28

c. Chlorine Fluoride