Compounds of nitrogen with metals are called
nitrates
nitrites
hyponitrates
nitrides
Correct Answer :
D. nitrides
Related Questions
In the process of purification of water for town supply, the substance used to remove bad smell and colour from water is
charcoal
bleaching powder
chlorine
carbolic acid
Iodine in alcohol is known as
quick lime
tincture iodine
rectified spirit
None of these
Bordeaux mixture contains
copper sulphate and water
copper sulphate, lime and water
thio-urea and lime
copper sulphate and thio-urea
The compound used in photography is
ammonium dichromate
copper Sulphate
magnesium Sulphate
sodium thiosulphate
Invar, used for making pendulums is an alloy of steel with
tungsten
nickel
manganese
chromium
The most abundant noble gas present in air is
neon
argon
helium
krypton
A metal which is extracted by thermal reduction is
nickel
aluminium
mercury
calcium
Which of the following is a mixture?
Baking soda
Milk
Chloroform
Copper wire
Which of the following is not an antibiotic?
streptomycin
terramycin
aureomycin
codein
The alloy added in the preparation of steel contains
Fe and C
Mn and C
Fe and Mn
Fe, Mn and C
The Long Form of the Periodic Table is based on
atomic number
valency
atomic mass
atomic radius
Iron is rendered passive by
conc. H2SO4
conc. HCl
conc. HNO3
acetic acid
Which of the following cannot be used for the preparation of soap?
oleic acid
acetic acid
palmitic acid
stearic acid
The compound or nitrogen used in dry cells is
ammonia
ammonium nitrate
ammonium chloride
ammonium nitrite
Marsh gas is
ethane
ethylene
acetylene
methane
Solid carbon dioxide is used
as a drying agent
as a refrigerant
as an antiseptic
as a bleaching agent
Dust particles in the air of large industrial cities are removed by
Sedimentation
Electrophoresis
Tyndall effect
Brownian movement
The gas which has a faint sweet odour is
nitrogen
nitrous oxide
nitric oxide
nitrogen peroxide
Which of the following act a both u oxidising and reducing agent?
nitric acid
ammonia
nitrous acid
nitrogen peroxide
One of the ingredients of the paste on the side of a match box is
phosphorus pentaoxide
phosphorus trichloride
phosphorus trisulphide
phosphorus trioxide
Which of the following process involves removal of the elements of water?
Hydrolysis
Hydrogenation
Dehydration
Dehydrogenation
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
On chemical analysis, a bottle cork is found to contain primarily
proteins
carbohydrates
tannins
lipids
Nitrous oxide used as anaesthetic is usually mixed with
ethyl alcohol
chloroform
oxygen
methyl alcohol
Argyrol used as eye ointment is a solution of
hydrogen peroxide
silver nitrate
tincture iodine
m-cresol
Rain water collected after a shower la very pure because
the initial showers wash the atmosphere free from most of the impurities
it contains desirable salts like sodium chloride and ammonium nitrate
it dissolves the gases in the atmosphere like ozone which are good for health in small quantities
it is supposed to be 'heaven sent'
LSD is
an anaesthetic
a psychedelic drug
an antipyretic
an antibiotic
Proteins are polymerisation products of
aldehydes
alkenes
amino acids
alkynes
Which of the following is not a chemical change?
Burning of magnesium ribbon in air
Distillation of water
Heating of cane sugar
Setting of cement
Lunar caustic is
calcium sulphate
ammonium chloride
caustic soda
silver nitrate