Identify the odd term amongst the following groups.
Microwaves
Coaxial cable
Optical fibre
Twisted pair wire
A.
Microwaves
The gas commonly used in advertisement sign-boards and decorative lights is
nitrogen
chlorine
hydrogen
neon
Pick out the correct match.
Milk - Fibre and minerals
Egg Yolk - Protein and fat
Fleshy foods - Calcium and protein
Fish - Starch and vitamin
Which of the following is not a component of Smog?
Volatile Organic Compounds
Nitrogen Oxide
Sulphur Dioxide
Chlorine Oxide
Combustion is a
physical and chemical process
biological process
physical process
chemical process
What is Dry Ice?
Solid carbon dioxide
Liquid nitrogen
Ice cubes and saw dust
Ice cubes and salt