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WorksheetsVI Chemistry CDF Mock Test 4
Total questions: 10
Worksheet time: 5mins
The ion having a negative charge on it is known as
Electropositive ion
Electronegative ion
Neutral
None of these
Symbol of Acetate ion is
CH3COO-
CH3COO+
CH2COO+
None of these
Valency of chromate and carbonate is
3
6
2
5
Carbide is _______________ electrovalent ions
Monovalent
Divalent
Tetravalent
Trivalent
Chromate carbonate are electrovalent _______________ions
Trivalent
Divalent
Tetravalent
Monovalent
The representation of a molecule of a substance in terms of symbols and subscript numbers is known as _________________
Symbol
Element
Formula
None of these
NaCl is
Sodium Bromide
Sodium carbon
Sodium chloride
Sodium copper
Formula of calcium chloride
CaCl2
CaCl3
CaCl
None of these
Valency of calcium
4
2
1
3
Which of the following is electronegative ion
O2 -
O3+
O+
None of these
