Short answer/one word
Iron can displace------from its salt solution
Zinc/copper
copper
Nature of metallic oxide (acidic/basic)
basic
element used in vulcanisation of rubber
sulphur
An alloy used for making parts of air crafts
Duralumin
why cooking vessels are made of metals?
good conductors of heat
rusting is an example of
corrosion
potassium is stored in
kerosene
the nonmetals in the metal reactivity series
hydrogen
which propery of aluminium is used to make foils
malleability
why do you think that pencil lead is made of graphite?
it leaves marks on the paper
what are alloys
alloys are mixtures of metals with metals or metals with nonmetals
name an alloy with low melting point
solder
an alloy of iron which does not rust
stainless steel
coating of a metal over another metal by electricity
electroplating
god is used to make jwellery
unreactine, lustrous, malleable and ductile
composition of brass
copper and zinc
an ore of iron
haematite
which metal corrosion is advantages
aluminium
what is galvanisation
coating of iron with zinc
a non metal used in antisceptics
iodine
tungeston can be mabe into thin wires, name the property
ductility
Define a displacement reaction
achemical reaction in which a highly reactive metal replaces a less reactive metal from its salt solution
why white phosphorus is stored in water
nonmetal, does not react with water
name the gas produced when metals reacts with acids
hydrogen
why gold and silver are called as noble metals
these metals do not react with water acids ,oxygen etc