May 2018

Question 1

The chemist who wom a nobel prize in 1944 for nuclear fission?

Answer 1

Otto Hahn

Question 2

Molecular Formula of DNA

Answer 2

G- C10 H22 O6 N5 P
C- C9 H12 O6 N3 P
T- C10 H13 O7 N2 P
U- C9 H 11 O7 N2 P

Question 3

What will you wear for protection against beta particles?

Answer 3

Aluminum

Question 4

Former name of element Antimony?

Answer 4

Stibium

Question 5

Process in which wastewater is subjected to air?

Answer 5

Activated sludge process

Question 6

Molecular Formula of Sucrose

Answer 6

C12H22O11

Question 7

Molecular formula of Urea

Answer 7

CH4N2O

Question 8

They are compounds that have the same molecular formula and different connectivity?

Answer 8

Constitutional Isomers

Question 9

The minimum ampunt of energy requiref to start a chemical reaction?

Answer 9

Activation Energy

Question 10

States that when stress is applied to a system in a state of equilibrium the system reacts in a way to reduce the stress

Answer 10

Le Chatelier’s Principle

Ex. Sunglasses

Question 11

What is Zeroth Law of Thermodyanamics?

Answer 11

States that if two bodies are each on thermal equilibrium w/ some third body, then they are also in equilibrium w/ each other

Question 12

Where was oil shark revovered?

Answer 12

Kerogen

Question 13

It hardens during the absorption of

Answer 13

Hydrated Lime