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WorksheetsCYP (LOC,CR,AS and CB)
Total questions: 10
Worksheet time: 5mins
1. The valency of iron in FeCl3 is
2+
2-
3+
3-
Identify the following equation:
Pb(NO3)2 + Na2SO4 -----------> 2NaNO3 + PbSO4
Displacement reaction
Direct Combination
Precipitation
Neutralisation
Identify the following equation :
sunlight
H2 + Cl2 ------------> 2HCl
Photochemical Reaction
Electrochemical Reaction
None of the above
An atom with electronic configuration 2,8,8 and mass number 40 will have __________neutrons.
18
20
22
In NH3, there are _________ shared paired of electrons and ________ lone of electrons.
1,3
3,1
3,3
none of the above
Chemical name of FeSO4.7H2O is _______________
Green vitriol
Blue vitriol
Epsom salt
Glauber's salt
NH4Cl ---------> NH3 + HCl is an example of
<--------
Photochemical decomposition
Electrolytic decomposition
Thermal decomposition
Thermal dissociation
On thermal decomposition, ammonium dichromate produces _____________colour residue of chromic oxide.
orange
red
green
black
Magnesium chloride is an example of _________bonding.
electrovalent
covalent
An element having atomic number 6 will form ionic type of bond with an element having atomic number 17.
True
False
