Elements and Substances

Elements and Substances
Smallest particle of a compound is
atom
electrons
molecules
all of these
Author: rikazzz Comment
Elements and Substances
Copper sulphate (CuSO4) possesses
Red colour
Blue colour
Green colour
Yellow colour
Author: rikazzz Comment
Elements and Substances
When sulphur dioxide is dissolve in water then
Sulphur is formed
Sulphuric acid is formed
Sulphur trioxide is formed
Sulphurous acid is formed
Author: rikazzz Comment
Elements and Substances
Symbol of Copper is
Ca
Cl
Co
Cu
Author: rikazzz Comment
Elements and Substances
Which substance is present in fuel?
Iron
Gold
Carbon
Copper
Author: rikazzz Comment
Elements and Substances
Which one of the following does not react with acids?
O
Cr
Cu
Ni
Author: rikazzz Comment

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