The metal used in storage batteries
Zinc
Iron
Copper
Lead
Correct Answer :
D. Lead
Related Questions
The chemial name of Uria is
Carbamide
Chloroetane
Aneurin
None of these
Bromine is
A Black solid
A red liquid
A highly inflammable gas
colourless gas insoluble in water
What is the unit for measuring the pitch or frequency of sound ?
Coulomb
Hum
Cycles
Decible
Which of the following elements is obtained from sea weeds ?
Argon
Vanadium
Iodine
Sulphur
Lightening cause rainfall because
It activate H2O molecule
Photo-electricity reaction starts
Some of the gas molecules become bigger
It cause combination of oxygen and nitrogen
Which of the following is most likely to cause a rise in the average temperature of earth's atmosphere in future?
Atomic warfare
Depletion of earth's ozone layer
CO2 from fossil fuels
Dust clouds from valcanoes
The recent atomic weight scale is based on
1H1
1H2
6C12
8O16
The intencity of Earthquakes is measured on
Beaufort scale
Secant scale
Mercalli scale
Richter scale
Which of the following elements is non-radioactive?
Uranium
Plutonium
Thorium
Zirconium
Pollination by birds is called
autogamy
entomophily
anemophily
ornithophily
The metal used in storage batteries
Zinc
Iron
Copper
Lead
Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of
Sulphonates
Zeolites
Nitrates
None of these
The location and energy of an electron in an atom can be specified by
Atomic number
Atomic mass
Quantum numbers
None of these
The most important ore of Aluminium is
Calamine
Calcite
Galena
Bauxite
The metal that is present in Photo Films is
Silver
Magnesium
Platinium
Mercury
The type of glass used in making prisms and lenses is
Pyrex glass
Soft glass
Flint glass
Jena glass
According to Daltons atomic theory the smallest particle which can exist independently is
An atom
A cation
A molecule
An anion
Which of the following is commonly called a polyamide ?
Orion
Terylene
Rayon
Nylon
Earth's seasons are caused by which of the following?
The varying amount of sunspot activity
The tilt of the earth's rotation relative to the ecliptic as earth revolves around the sun
The earth's orbit around the sun as an exlipse rather than a circle
The rotation of during a 24-hour day
Liquefied Petroleum gas (LPG) consists of mainly
Methane, Butane and Propane
Methane, Ethane and Hexane
Ethane, Hexane and Nonane
Methane, Hexane and Nonane
The marine animal called dugong which is vulnerable to extinction is a/an
Amphibian
Shark
Bony fish
Mammal
The formula of Plaster of Paris is
2CaSO4, H2O
CaSO4
CaSO4, 2H2O
2CaSO4, 4H2O
The fastest acting enzyme in the biological kingdom is
amylase
lipase
carboxypeptidase
carbonic anhydrase
Which of the following parts of the sun is easily visible only during a total solar eclipse?
core
photosphere
sunspots
corona
Cell membrane is
permeable
semipermeable
selectively permeable
impermeable
Which of the following elements is a metal
S
Ga
Se
I
The removal of top soil by water or wind is called
Soil erosion
Soil wash
Silting of soil
Soil creep
Which of the following characters is not shown by hydrogen
It burns in air to form water
It supports combustion
It readily combines with fluorine and chlorine
It combines with almost all metals forming hydrides
Epoxy resins is used as
Adhesives
Detergents
Insecticides
Moth repellants
Apparatus invented by Archimedes is :
Pulley
Microscope
Thermemoter
Barometer