Silver nitrate is also known as____________?
Correct answer: C. Lunar Caustic
- A. Blue Stone
- B. Blue Vitriol
- C. Lunar Caustic
- D. Both A & B
Explanation
Silver nitrate is called lunar caustic because it is a corrosive silver salt that was historically associated with the moon and silver. The likely mistake is choosing blue vitriol or blue stone, but both names belong to CuSO4.5H2O, not AgNO3.
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About Reactions of Group I Elements
Group I elements have one valence electron, so their reactivity increases down the group as ionisation energy decreases. Their reactions with water, oxygen, hydrogen and halogens produce hydroxides, oxides, hydrides and halides, while the behaviour of lithium differs from the heavier metals because of its small ionic size.
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