The salt that will form a precipitate soluble in excess ammonia solution is?
A. Ca(NO3)2 B. Cu(NO3)2 C. Mg(NO3)2 D. Al(NO3)3 Correct Answer: Option B – Cu(NO3)2
Which of the following statements is true of sulphur (IV) oxide?
A. It forms tetraoxosulphate (VI) acid with water B. It is an odourless gas C. It is an acid hydride D. It forms white precipitate with acidified barium chloride Correct Answer: Option C – It is an acid hydride
Hydrogen can be displaced from a hot alkaline solution by?
A. Fe B. Cu C. Ca D. Sn Correct Answer: Option A – Fe
Metals of the first transition series have special properties which are different from those of groups I and II elements because they have partially filled?
A. s orbitals B. p orbitals C. d orbitals D. f orbitals Correct Answer: Option C – d orbitalsProducts
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