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Tests for acetone - Legal test
(a) Legal's test: while a few drops of prepared freshly sodium nitroprusside and sodium hydroxide solution are added or mixed to an aqueous solution of acetone, a wine colour is acquired that changes to yellow on standing.
explain in long answer LAW OF CHEMICAL COMBINATION
explain individual test
covalent bond
n-propyl acetate evaporates rapidly when exposed to air,but water does not.Explain
SILENT FEATURES OF ELECTROCHEMICAL SERIES.
lithium and beryllium markedly differ from other members of their respective groups.
According to Aufbau's principle, which of the three 4d, 5p and 5s will be filled with electrons first: (1) 4d (2) 5d (3) 5s (4) 4d and 5s will be filled simultaneo
An element has the electronic configuration 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 2 . Its valency electrons are: (1) 6 (2) 2 (3) 3 (4)4 Ans: 4
what groups comprise each block of elements in the periodic table?
Quantum numbers explain values of total conserved quantities in the dynamics of the quantum system. possibly the most peculiar part of quantum mechanics is the quantization of obs
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