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
Sulphuric acid is formed
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Which one of the following does not react with acids?A. O
B. Cr
C. Cu
D. Ni
Which substance is present in fuel?
A. Iron
B. Gold
C. Carbon
D. Copper
Symbol of Copper is
A. Ca
B. Cl
C. Co
D. Cu
Copper sulphate (CuSO4) possesses
A. Red colour
B. Blue colour
C. Green colour
D. Yellow colour
Smallest particle of a compound is
A. atom
B. electrons
C. molecules
D. all of these
Which material show shiny appearance?
A. Coal
B. Carbon
C. Sulphur
D. Aluminium
Symbol of Magnesium is
A. M
B. Hg
C. Mn
D. Mg
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