Which of the following substances is acidic?
- A$SO_3$
- B$N_2O$
- C$BeO$
- D$HgO$
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The amorphous form of silica is
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View SolutionMatch the species given in Column-$I$ with the properties mentioned in Column-$II$.
Column-$I$ Column-$II$ $A$. $BF_4^-$ $1$. Oxidation state of central atom is $+4$ $B$. $AlCl_3$ $2$. Strong oxidizing agent $C$. $SnO$ $3$. Lewis acid $D$. $PbO_2$ $4$. Can be further oxidized $5$. Tetrahedral shape
| Column-$I$ | Column-$II$ |
| $A$. $BF_4^-$ | $1$. Oxidation state of central atom is $+4$ |
| $B$. $AlCl_3$ | $2$. Strong oxidizing agent |
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| $D$. $PbO_2$ | $4$. Can be further oxidized |
| $5$. Tetrahedral shape |
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