Which of the following cation can not give borax bead test ?
$Cr^{3+}$
$Co^{2+}$
$Ag^+$
$Mn^{2+}$
$Ag ^{+}$ ion can not give borax bead test because formed silver metaborate $AgBO _2$ is white/colorless.
Name the metals with which $Al$ can form alloy?
Which of the following statements about the interstitial compounds is incorrect?
Boric acid in solid, whereas $BF _3$ is gas at room temperature because of
Which of the following does not exist in free form
What happens when
$(a)$ Borax is heated strongly,
$(b)$ Boric acid is added to water,
$(c)$ Aluminium is treated with dilute $NaOH$,
$(d)$ $BF_3$ is reacted with ammonia?
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