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Iron can be protected from corrosion by coating the surface with
gold
silver
copper
zinc
The IUPAC nomenclature of the compound LiAlH4 is
lithiumtetrahydridoaluminate (III)
aluminium tetrahydrido lithium
tetrahydrido lithium aluminate (III)
lithium aluminium hydride
6AgNO4(aq) + PH3(g) + 3H2O(l) → 6Ag(s) + H3PO3(g) + 6HNO3(aq) In the above reaction, the reducing agent is
HNO3(aq)
H2O(l)
PH3(g)
AgNO3(aq)
Which of the following salts is slightly soluble in water?
AgCl
CaSO4
Na2CO3
PbCl2
The colour of methyl orange in alkaline medium is
yellow
pink
orange
red
