07. The p-BLOCK ELEMENTS (XII)
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07. The p-BLOCK ELEMENTS (XII)

189444 Which is not an acid salt

1 \(Na{H_2}P{O_3}\)
2 \(Na{H_2}P{O_2}\)
3 \(N{a_3}H{P_2}{O_6}\)
4 \(N{a_4}{P_2}{O_7}\)
07. The p-BLOCK ELEMENTS (XII)

189445 By the action of hot conc. \({H_2}S{O_4},\) phosphorus changes to

1 Phosphorus acid
2 Orthophosphoric acid
3 Metaphosphoric acid
4 Pyrophosphoric acid
07. The p-BLOCK ELEMENTS (XII)

189581 Which of the following substances is used as a fertilizer

1 \({K_2}S{O_4}.A{l_2}{(S{O_4})_3}.24{H_2}O\)
2 \(Ca{({H_3}P{O_4})_2}{H_2}O + CaS{O_4}\)
3 \(NaAl{O_2}\)
4 \(Ca{C_2}\)
07. The p-BLOCK ELEMENTS (XII)

189249 Which of the following is formed by the action of water on sodium peroxide

1 \({H_2}\)
2 \({N_2}\)
3 \({O_2}\)
4 \(C{O_2}\)
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07. The p-BLOCK ELEMENTS (XII)

189444 Which is not an acid salt

1 \(Na{H_2}P{O_3}\)
2 \(Na{H_2}P{O_2}\)
3 \(N{a_3}H{P_2}{O_6}\)
4 \(N{a_4}{P_2}{O_7}\)
07. The p-BLOCK ELEMENTS (XII)

189445 By the action of hot conc. \({H_2}S{O_4},\) phosphorus changes to

1 Phosphorus acid
2 Orthophosphoric acid
3 Metaphosphoric acid
4 Pyrophosphoric acid
07. The p-BLOCK ELEMENTS (XII)

189581 Which of the following substances is used as a fertilizer

1 \({K_2}S{O_4}.A{l_2}{(S{O_4})_3}.24{H_2}O\)
2 \(Ca{({H_3}P{O_4})_2}{H_2}O + CaS{O_4}\)
3 \(NaAl{O_2}\)
4 \(Ca{C_2}\)
07. The p-BLOCK ELEMENTS (XII)

189249 Which of the following is formed by the action of water on sodium peroxide

1 \({H_2}\)
2 \({N_2}\)
3 \({O_2}\)
4 \(C{O_2}\)
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07. The p-BLOCK ELEMENTS (XII)

189444 Which is not an acid salt

1 \(Na{H_2}P{O_3}\)
2 \(Na{H_2}P{O_2}\)
3 \(N{a_3}H{P_2}{O_6}\)
4 \(N{a_4}{P_2}{O_7}\)
07. The p-BLOCK ELEMENTS (XII)

189445 By the action of hot conc. \({H_2}S{O_4},\) phosphorus changes to

1 Phosphorus acid
2 Orthophosphoric acid
3 Metaphosphoric acid
4 Pyrophosphoric acid
07. The p-BLOCK ELEMENTS (XII)

189581 Which of the following substances is used as a fertilizer

1 \({K_2}S{O_4}.A{l_2}{(S{O_4})_3}.24{H_2}O\)
2 \(Ca{({H_3}P{O_4})_2}{H_2}O + CaS{O_4}\)
3 \(NaAl{O_2}\)
4 \(Ca{C_2}\)
07. The p-BLOCK ELEMENTS (XII)

189249 Which of the following is formed by the action of water on sodium peroxide

1 \({H_2}\)
2 \({N_2}\)
3 \({O_2}\)
4 \(C{O_2}\)
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07. The p-BLOCK ELEMENTS (XII)

189444 Which is not an acid salt

1 \(Na{H_2}P{O_3}\)
2 \(Na{H_2}P{O_2}\)
3 \(N{a_3}H{P_2}{O_6}\)
4 \(N{a_4}{P_2}{O_7}\)
07. The p-BLOCK ELEMENTS (XII)

189445 By the action of hot conc. \({H_2}S{O_4},\) phosphorus changes to

1 Phosphorus acid
2 Orthophosphoric acid
3 Metaphosphoric acid
4 Pyrophosphoric acid
07. The p-BLOCK ELEMENTS (XII)

189581 Which of the following substances is used as a fertilizer

1 \({K_2}S{O_4}.A{l_2}{(S{O_4})_3}.24{H_2}O\)
2 \(Ca{({H_3}P{O_4})_2}{H_2}O + CaS{O_4}\)
3 \(NaAl{O_2}\)
4 \(Ca{C_2}\)
07. The p-BLOCK ELEMENTS (XII)

189249 Which of the following is formed by the action of water on sodium peroxide

1 \({H_2}\)
2 \({N_2}\)
3 \({O_2}\)
4 \(C{O_2}\)
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