Class 8 Science MCQ Materials Metals And Non Metals

Question :A liquid metal is:
(a) bromine
(c) iodine
(b) nitrogen
(d) mercury

Question :The gas produced when metals react with sodium hydroxide is:
(a) nitrogen
(c) oxygen
(b) hydrogen
(d) water vapour

Question :The gas produced when metals reacts with dilute acids is:
(a) nitrogen
(b) carbon dioxide
(c) oxygen
(d) hydrogen

Question :Sulphur reacts with hot concentrated nitric acid and produces:
(a) sulphur dioxide
(b) sulphur trioxide
(c) nitrogen dioxide
(d) sulphur dioxide and Nitrogen dioxide

Question :The property of metal by which it can be drawn into wires is called ______
(a) Ductility
(b)Sheetability
(c)Metallic
(d)Malleability

Question :The metal found in liquid state is
(a)Iron
(b)Aluminium
(c) Mercury
(d)Gold

Question :The property of metals by virtue of which metal can be hammered into very thin sheets is called:
(a) ductility
(b) malleability
(c) lustre
(d) sonorus

Question :Non-metals react with oxygen and form:
(a) natural oxides
(b) acidic oxides
(c) basic oxides
(d) none of these

Question :Metals react with oxygen to form:
(a) basic oxides
(c) acidic oxides
(b) neutral oxides
(d) none of these

Question :Metals can form long wires. This property of metals is known as:
(a) sonorous
(c) malleability
(b) ductility
(d) none of these

Question :When a copper vessel is exposed to moist air for long, it acquires a dull green coating. The green material is a mixture of
(a)Copper oxide and Copper Nitrate
(b) Copper hydroxide & Copper Carbonate
(c)Copper carbonate and Copper sulphate
(d)Copper hydroxide and Copper Nitrate

Question :When sulphur dioxide is dissolved in water __________ is formed.
(a)Sulphuric acid
(b)Sulphoxy acid
(c) Sulphurous acid
(d)Sulphur trioxide

Question :Sodium metal is stored in
(a)water
(b)Kept under open air
(c)alcohol
(d) Kerosene

Question :Phosphorus is stored in
(a) water
(b)Kept under open air
(c)alcohol
(d)Kerosene

Question :Since metals produce ringing sounds, they are said to be ____.
a)Sound metal
(b) Sonorous
(c)Ring metal
(d)malleable

Question :What is the product when sulphur reacts with oxygen?
(a) Sulphur dioxide
(b) Sulphurous acid
(c) Sulphuric acid
(d) Sulphur trioxide

Question :The solution of ash of magnesium ribbon is
(a) Basic
(b) Acidic
(c) Neutral
(d) All of the options

Question :Which metal is found in liquid state t room temperature?
(a) Hg
(b) Zn
(c) Fe
(d) Al

Question :The metals that produce ringing sounds, are said to be
(a) Sonorous
(b) Malleable
(c) Lustrous
(d) Hard

Question :A substance which cannot be broken down further by chemical reactions, by cooling, heating, or by electrolysis, is called ______
(a)Metal
(b)Non Metal
(c) Element
(d)Compound

Question :They are not sonorous and are poor conductors of heat and electricity. These materials are
(a)elements
(b)Metals
(c)Compound
(d) Non metals

Question :Materials around us can be classified into
(a) Metals and non-metals
(b) Elements and compounds
(c) Acids and bases
(d) None of the options

Question :The non-metal which is liquid at room temperature is:
(a) Bromine
(b) Carbon
(c) Iodine
(d) Chlorine

Question :The metal which is stored in kerosene:
(a) Sodium
(b) Phosphorus
(c) Magnesium
(d) Magnesium

Question :Non-metals are:
(a) Generally solids and gases
(b) Generally liquids
(c) Generally gases
(d) Generally gases and liquids.

Question :When non-metals react with water then
(a) Non-metals do not react with water
(b) Hydrogen gas is formed
(c) Carbon dioxide gas is formed
(d) None of the options

Question :The metal which can be cut with a knife
(a) Sodium and potassium
(b) Barium and calcium
(c) Sodium and mercury
(d) Potassium and calcium.

Question :Metal oxides are of nature
(a) Basic
(b) Acidic
(c) Netural
(d) None of the options

Question :All metals are solids except
(a) Mercury
(b) Sodium
(c) Calcium
(d) Hydrogen

Question :The liquid metal at room temperature
(a) Mercury
(b) Bromine
(c) Sodium
(d) Gold

Question :The most reactive metal is:
(a) Potassium
(b) Iron
(c) Gold
(d) Zinc

Question :The property of metal by which it can be drawn into wires is called
(a) Ductility
(b) Decorating
(c) Malleability
(d) Conductivity

Question :Which one of the following is a good conductor of electricity?
(a) Iron
(b) Plastic
(c) Wood
(d) Glass

Question :All materials shown property of malleability expect
(a) Graphite
(b) Iron
(c) Aluminium
(d) Silver

Question :The property of metals by which they can be beaten in to thin sheets is called
(a) Malleability
(b) Ductility
(c) Conduction
(d) Expansion

Question :Which one of the following is metal?
(a) Na
(b) N
(c) O
(d) C

Question :Which one of the following is non metal?
(a) N
(b) Fe
(c) Al
(d) Zn

Question :Aluminium foils are used to wrap food items.

Question :The surface of most metals have shiny appearance.

Question :Lemon pickle can be stored in an aluminium utensil.

Question :Immersion rods for heating liquids are made up of non-metallic substances.

Question :Copper can displace zinc from its salt solution.

Question :Sodium and potassium are stored in kerosene.

Question :Copper is used for electrical wiring.

Question :Gold is not found hi the free state.

Question :Sodium reacts violently with cold water forming sodium hydroxide.

Question :Less reactive metals displace more reactive metals from their compounds in aqueous solutions.

Question :Sodium does not occur in the free state.

Question :Iron is used to construct bridges and houses.

Question :Non-metals react with oxygen to produce non-metallic oxides which are acidic in nature.

Question :‘Pop’ sound indicates the presence of hydrogen gas.

Question :The sulphurous acid turns red litmus blue.

Question :The property of metals by which they can be beaten into thin sheets is called ____
(a)Ductility
(b)Sheetability
(c)Metallic
(d) Malleability

Question :The property which allows metals to be hammered into thin sheets is ___________________ .

Question :Copper sulphate + Zinc → ___________________. + ___________________.

Question :___________________. is the property of metals by which it can be drawn into wires.

Question :___________________. substances when hammered break into small pieces.

Question :Non-metals are ___________________. conductors of heat and electricity.

Question :Metals react with oxygen to produce ___________________. oxides.

Question :All metals except ___________________. are solids at room temperature.

Question :Melting point of most of the metals is ___________________. than non-metals.

Question :Gold is at the ___________________. of the reactivity scries of metals.

Question :Iron needs ___________________. and ___________________. to rust.

Question :Zinc is ___________________. reactive than copper.

Question :Iron displaces ___________________. from copper sulphate solution.

Question :Phosphorus is a very ___________________. non-metal.

Question :Acid oxides are oxides which turn ___________________. litmus paper to ___________________ .

Question :Basic oxides are oxides which turn ___________________. litmus paper to ___________________ .

Question :The shiny appearance on the cut surface of metals is called ___________________.

Question :Coal is ___________________. conductor of electricity.

Question :Metals react with acid to produce ___________________. gas.

Question :___________________. reactive metals displace ___________________. reactive metals from their compounds in aqueous solutions.

Question :Phosphorus is stored in ___________________.