PAST BOARDS 2017

Question 1

Biochemical reaction involving single substrate?

Answer 1

Michaelis Menten

Question 2

A reaction in which alcohol reacts with carboxylic acid?

Answer 2

Esterification

Question 3

Molecular Formula of ATP?

Answer 3

C10H16N5O13P3

Question 4

Chemical formula of aspirin?

Answer 4

C9H8O4

Question 5

TRUE or FALSE

The higher the Ka, the stonger the acid while the higher the pKa the weaker the acid

Answer 5

TRUE

Question 6

What happen to the pressure when a baloon is placed in liquid nitrogen ?
A. Low
B. High
C. No change

Answer 6

A

The baloon will shrink.

Question 7

Define Gay Lussac’s Principle

Answer 7

At constant volume

P/T

Question 8

TRUE or FALSE

Difference in electronegativity higher than 0.4 is polar?

Answer 8

TRUE

Question 9

Cobalt 60 is used to treat what?

Answer 9

Cancer

Question 10

Use of Technetium 99

Answer 10

Scans

Question 10

Iodine 131 is found on what part of our body?

Answer 10

Thyroid

Question 11

Americium 241 is used as?

Answer 11

Smoke Detectors

Question 12

Plutonium 238 is used in heart surgery as what?

Answer 12

Pacemaker

Question 13

What makes plastics or polymer biodegradable?

Answer 13

Hydrophilicity

Question 14

Who proposed the Ideal liquid equation?

Answer 14

Clapeyron

Question 15

By product of Pomace that is also used in the production of Potassium tartrate?

Question 16

What type of cement that is unique because it contains tricalcium silicate and bicalcium silicate?