The kinetic energy of gas molecules
is unaffected by temperature variations
decreases with increase of temperature
increases with decrease of temperature
increases with increase of temperature
Correct Answer :
D. increases with increase of temperature
Related Questions
A form of carbon which is a good lubricant is
diamond
coke
graphite
charcoal
Triple Antigen treatment for children is to ward off
whooping cough
tetanus
diphtheria
All the three
Which of the following is a halogen?
Radon
Astatine
Cesium
Ruthenium
Hypo' is
sodium nitrate
Potassium nitrate
sodium thiosulphate
ammonium chloride
Which of the following statements regarding natural radioactivity is true?
It is spontaneous disintegration of atoms
It is induced by bombardment with projectiles
It is transmutation of atoms with projectiles
It is dependent on temperature
The compound or nitrogen used in dry cells is
ammonia
ammonium nitrate
ammonium chloride
ammonium nitrite
Which of the following biology laboratory?
Phenol
Benzaldehyde
Formaldehyde
Acetic acid
The gas used in balloons in the place of hydrogen is
nitrogen
helium
neon
argon
The atomic number of an element represents
number of neutrons in the nucleus
number of protons and neutrons in the nucleus
the valency of the element
number of protons in the nucleus
Apart from lead tetra-ethyl, the other compound used as antiknock is
n-heptane
n-octane
iso-heptane
iso-octane
The poisonous nature of carbon monoxide is due to
cutting off supply of oxygen
it™s being converted into carbon dioxide
its combination with haemoglobin of blood
its blocking of vocal chords
Which of the following is not a physical change?
Distillation of water
Action of heat on potassium chlorate
Powdering of glass
Burning of an electric lamp
Gases have
a definite shape but not volume
a definite volume and shape
a definite volume but not shape
neither definite volume nor shape
Chloroform used as anaesthetic should be preserved In the dark in tightly stoppered bottles because otherwise
it becomes coloured
it gets evaporated in air
it gets oxidised to phosgene
it gets decomposed to chloropicrin
Graphite la a good conductor of electricity because
it is an allotrope of carbon
it gives CO2 on heating
it contains free electrons
it is oxidised to graphitic acid
Coke is a substance obtained
from coal mines
when wood is burnt in excess of air
by heating coal out of contact with air
by heating wood out to contact with air
Which of the following metals is the best conductor of heat and electricity?
Aluminium
Silver
Copper
Magnesium
Iron is coated with zinc to prevent rusting. The process is called
annealing
tempering
calcining
galvanising
Brass contains
copper and tin
aluminium and magnesium
copper and zinc
copper, tin and zinc
Heavy water was discovered by
TW Richards
FW Aston
Stas
Urey
Artificial diamonds were produced by
Moissan
Davy
Faraday
Marie Curie
Calamine is a ore of
tine
magnesium
zinc
copper
Which of the following is not a food material?
silicate
protein
fat
carbohydrate
The percentage of silver in German silver is
ten
twenty
zero
fifty
Lunar caustic is
calcium sulphate
ammonium chloride
caustic soda
silver nitrate
Invert sugar is
sucrose
glucose
fructose
a mixture of glucose and fructose
The pure at form of iron is
wrought iron
steel
pig iron
nickel steel
Which of the following is not a characteristic of potable water?
It must be free from suspended impurities
It must be free from harmful bacteria
It must contain traces of sodium bicarbonate
It must have a fishy odour
The pH or pure water is nearly 7.0 It will increase on the addition or
hydrochloric acid
ammonia
cane sugar
common salt
________ is left behind after distillation of petroleum.
Arsenic
Barium
Benzene
Bitumen