WorksheetsMetal and Non Metal
Total questions: 30
Worksheet time: 15mins
Malleability is defined as
Metals can be drawn into wires
Metals have a shining surface
Metals can be beaten into thin sheets
Metals produce a ringing sound
Match column I with column II
1 - ii , 2- i , 3- iv , 4- iii
1 - iii , 2- i , 3- iv , 4- ii
1 - iv , 2- ii , 3- i , 4- iii
1 - iii , 2- iv , 3- ii , 4- i
Identify the mismatched pair
Non metal which conduct electricity - Graphite
Liquid Non metal - Bromine
Hardest non metal - Diamond
Lustrous non metal – chlorine
The gas released when metal reacts with water or acids is
Oxygen
Carbon dioxide
Hydrogen
Chlorine
Observe the given equation and identify X
4 Al + 3 O2 ------- X
2 Al3O2
2 Al2O3
4 Al3 O2
4 Al3O2
Metal oxides which react with both acids as well as base to produce salts and water are known as
Neutral oxide
Acidic oxide
Basic oxide
Amphoteric oxide
Amphoteric oxides among the following are
Aluminum oxide and sodium oxide
Aluminum oxide and iron oxide
Zinc oxide and manganese oxide
Aluminum oxide and Zinc oxide
Identify balanced equation among the following
3Fe(s) + H2O → 3 Fe3O4 + H2
2 Fe(s) + 4H2O → Fe3O4 + H2
3Fe(s) + 4H2O → Fe3O4 + H2
3Fe(s) + 4H2O → Fe3O4 +4 H2
Which if the following reaction does not possible
Zn + CuSO4 ------ ZnSO4 + Cu
Fe + ZnSO4------ FeSO4 + Zn
Zn + FeSO4 ------ ZnSO4 + Fe
Fe + CuSO4 ------ FeSO4 + Cu
Observe the following chemical equation and identify the correct statement
1. Zn + CuSO4 ------ ZnSO4 + Cu
2. 2 AgNO3 + Cu ---------- Cu(No3) 2 + 2 Ag
Copper is more reactive than zinc and silver
Zinc is less reactive than copper and silver
Copper is more reactive than silver and less reactive than zinc
Silver is more reactive than copper and zinc
Arrange the following metals in the decreasing order of their reactivity
Lead, sodium, copper, gold
Na>Pb>Cu>Au
Au> Na>Cu> Pb
Pb> Au> Na> Cu
Na> Cu>Pb>Au
The type of bond formed between chlorine and hydrogen
Covalent
Ionic bind
Hydrogen bond
Metallic bond
Ionic compounds conduct electricity because
Have free protons
Have free neutron
Have free ions
Have static ions
The correct formation of sodium chloride is
Chlorine transfer one electron to sodium to become stable compounds
Sodium transfer one electron to chlorine to become stable compounds
Sodium donate two electron to chlorine to become stable compounds
Sodium do not donate an electron to chlorine to become stable compounds
Ionic compounds have highly meeting point and boiling point because
Has free electron
Soluble in organic solvent
Has strong inter ionic attraction
Has weak inter ionic attraction
Chief ore of Mercury is
Calamine
Cinnabar
Hematite
Bauxite
The metals which are found in nature in the free state are
Gold, potassium
Silver, platinum
Aluminum, copper
Gold, zinc
The Process used to convert metal sulphide ores into their oxide is
Roasting
Reduction
Calcination
Electrolytic reduction
Observe the following stages of extraction of metal from its ore
Carbonates ---_______ ----- reduction ------ purification
Electrolysis
Oxidation
Calcination
Roasting
Extraction of sodium is done by
Anodising
Electrolytic reduction
Reduction
Oxidation
When silver is exposed to air for long time it acquires a black coat. because it reacts with
Moist Carbon dioxide
Moist oxygen
Sulphur
Nitrogen
Corrosion of Silver gives rise a black coating on it, which is
AgO
AgS
Ag2S
Ag2O
When copper is exposed to air for a long time it acquires a green coat because it reacts with
Nitrogen
Moist air
Carbon dioxide
Sulphur
The metal used in thermite reaction is
Aluminum
Calcium
Manganese
Magnesium
One of the use of thermite reaction is
Providing thin coating for railway tracks
Break railway tracks
Joined railway tracks
Pain railway tracks
Iron acquired brown coating on long exposure to air
It reacts with moist air to form iron oxide
It reacts with moist carbon dioxide to form iron carbonates
It reacts with moist sulphur to form iron sulphide
It reacts with moist air to form iron chloride
The method of protecting steel and iron from rusting coating them with a thin layer of zinc is known as
Galvanization
Anodising
Greasing
Painting
In the refining of copper
Cathode is impure copper, anode is graphite rod
Cathode is impure copper, anode is pure copper
Cathode is pure copper, anode is impure copper
Cathode is pure copper, anode is pure copper
Match the column I with column II
1- iii 2- ii 3- i 4- iv
1- ii 2- iii 3- i 4- iv
1- iii 2- i 3- iv 4- ii
1- iii 2- ii 3- iv 4- i
Amalgam is a alloy of
Mercury
Copper
Aluminum
Iron
