Number of Hydrogen ion donated by an Acid
Basicity
Acidity
Redox
None of these
Choose the Halogen.
Iron
Nitrogen
Iodine
Neon
Neutralisation gives salt and
Water
Acid
Base
Gases
________ are good oxidising agents.
Metals
Non-Metals
Metalloids
Elements which donate electrons during reactions are
Metal
Non-metal
Metalloid
none of these
Chemical formula of bleaching powder
CaCl2
CaCO3
CuHCO3
CaOCl2
The element that gains electrons is the _________ agent.
Knocking
Reducing
Oxidising
Reaction in which compound decomposes to its constituent elements.
Decomposition
Combination
Addition
How many electrons are present in the last shell of chlorine atom?
7
9
2
11
Oxidation state of elements in the free state is
1
0
5