WorksheetsSYNTHETIC FIBRES
Total questions: 20
Worksheet time: 10mins
This gets deformed by heating. Name it.
(a)
This arrangement is specific in
bakelite
polythene
PVC
Water bottle plastic
This is a product of __________________________ and it resists ________________________
PVC ,fire
PVC, heat
Melamine, fire
Polythene, Heat
Look at the utensils it is made of plastic handles because
They are light, durable and strong
They are poor conductors of heat and electricity
They are non- reactive
They do not catch fire
Fire proof plastic uniform worn by fire fighters has a coating of
RAYON
SILK
NYLON
MELAMINE
a) is a monomer and b) is a polymer
a) is linear arrangement and b) is a monomer
a) is linear polymer and b) is a cross linked polymer
a) is a polymer and b) is a monomer
THIS CARBON MONOXIDE CAUSES
INCREASE IN OXYGEN CARRYING CAPACITY IN RBC
REDUCED OXYGEN CARRYING CAPACITY IN RBC
INCREASE NITROGEN CARRYING CAPACITY IN RBC
INCREASE CARBON DIOXIDE CARRYING CAPACITY IN RBC
WHAT IS HAPPENING IN THIS FIGURE THE SUNS HEAT IS TRAPPED IN OUR EARTH'S ATMOSPHERE? ---
IT IS GREEN HOUSE EFFECT
IT IS WHITE HOUSE EFFECT
IT IS SUN" S EFFECT
IT IS LUNAR EFFECT
Water is a ________
Natural substance
Man made substance
Both of these
None of these
When coal burns in air then
Carbon dioxide is formed
Sulphur dioxide is formed
Carbon monoxide is formed
Hydrogen gas is formed
PCRA stands for
Public Conservations Research Association
Petroleum Conservation Research Association
Public Council of Research Association
Partial Counting of remaining Amendment
Which of the following is obtained from coal tar ?
Petrol
Coke
Air
Naphthalene balls
Which amongst the following is a petroleum product which can be used in metalling of roads?
Coke
Bitumen
Coal tar
Coal gas
Which amongst the following is a petroleum product which can be used in metalling of roads?
Coke
Bitumen
Coal tar
Coal gas
Many useful substances are obtained from petroleum and natural gas. Select the correct name given to these substances
Petromolecules
Petrocompounds
Petrochemicals
Petroproducts
Many useful substances are obtained from petroleum and natural gas. Select the correct name given to these substances
Petromolecules
Petrocompounds
Petrochemicals
Petroproducts
Which of the following is also known as the ‘black gold’?
CNG
Natural gas
Coal
Petroleum
Petrochemicals are used in the manufacturing of :
Detergents
Polythene
Fibres
All of these
Vaani is very conscious of pollution. So, to reduce the effect of pollution which fuel should she use for her vehicle?
CNG
Diesel
Diesel
LPG
Which of the following pairs of natural resources are exhaustible?
II and IV
I and V
IV and VI
V and VI
