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Worksheetsmetals and non metals
Total questions: 15
Worksheet time: 8mins
Anodising is a process of forming a
Thick oxide layer of zinc.
Thin hydroxide layer of zinc.
Thick oxide layer of aluminium.
Thick hydroxide layer of aluminium.
Which of the following metal is used in strengthening the economy and defense of a country?
Copper
Aluminium
Titanium
Manganese
Which of these elements is a metalloid?
Cu
Sb
Zr
Rh
The non metal with highest melting point
Graphite
Iodine
Sulphur
Fluorine
Which of these compounds is commercially called hydrolith
Potassium Hydride .
Sodium Hydride.
Calcium Hydride.
Magnesium Hydride
Which of the following is the most reactive element in the following?
Nickel
Lead
Aluminium
Zinc
Sulphur dioxide dissolves in water to form
Sulphuric acid
Sulphurous acid
Sulphur hydroxide
Sulphurous oxide
When Phosphorous is burnt in air, it reacts with oxygen to form
Phosphorous Pentoxide
Phosphorous Septoxide
Phosphorous Octoxide
Phosphorous Oxide
Which is the most reactive Halogen ?
Iodine.
Chlorine .
Fluorine.
Bromine.
Which metal has the highest melting point?
Sn
W
Sb
Pb
Which chemical is known as king of chemicals?
CH3COOH
H2CO3
H2SO4
H2PO4
Which metalloid has semi-conductor property?
Boron.
Germanium.
Silicon.
Tellurium.
What is the composition of Solder?
Tin + copper.
Zinc + copper.
Tin + lead
Tin + Zinc
An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water .The element is
Carbon.
Silicon.
Calcium.
Iron.
What is the formula of the only important ore of Hg?
Hg2S
HgS2
Hg3S
HgS
