2014 Day 1

Question 1

Process of breaking down a large isotope into smaller ones

Answer 1

Nuclear fission

Question 2

Formula of red lead

Answer 2

Lead oxide

Question 3

Can oxygen be synthesized from nitrogen?

Answer 3

Impossible

Question 4

Author of octet rule

Answer 4

Gilbert Lewis

Question 5

How does alpha beta and gamma particle affect the mass number of an atom?

Answer 5

4,0,0

Question 6

Iodine vapor forms crystals when it touches a cold surface. What is the reverse of this process being described?

Answer 6

Sublimation

Question 7

Characteristic of elements under group 1A

Answer 7

Has 1 electron on its outermost energy level

Question 8

Primary and secondary cell

Answer 8

Primary cell can be recharged while secondary cannot, NiCad - primary , Dry Cell - secondary

Question 9

Adolf Baeyer’s contribution in medicine, made by reacting MALONIC ACID and UREA with a catalyst is called

Answer 9

Barbituric acid

Question 10

Which contains the ozone layer?

Answer 10

Stratosphere

Question 11

Composition of acid rain?

Answer 11

Nitric and sulfuric

Question 12

Which of ff has a higher heat of combustion on a gram per gram basis if Hf is 237kj/mol and 533 kj/mol for methane and propane respectively.

Answer 12

Methane

Question 13

How to differentiate alkane alkene and alkyne

Answer 13

Reaction with Br2

Question 14

Which of the ff has a larger ionic nucleus?
Both
Na+
Na
None of these

Answer 14

Na

Question 15

What happens to the melting point of a saturated fatty acid if -CH2- increase?
Decrease
Increase
Same
None of these

Answer 15

Increase

Question 16

Formula of Alar

Answer 16

C6 H12 N2 O3

Question 17

Particle with the same mass as proton

Answer 17

Neutron

Question 18

Polymer used in bulletproof vest
Linear polyethylene 
Polyacrylonitrile
Polycarbonate 
Polyemethylacrylate

Answer 18

Should be POLYARAMID but polymethylacrylate used in plexiglass, aircraft, windows, plastic signs, and lighting panels

linear Pet uses plastic bags, food container, soda can rings, plastic Saran wrap, milk jugs, and garbage containers

Polyacrylonitrile rugs, blankets, clothing

Polycarbonate compact disks