Some Important Compounds of Calcium
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CHXI10:THE S-BLOCK ELEMENTS

315985 During the recovery of \(\mathrm{NH}_{3}\) in Solvay process byproduct formed is :

1 \(\mathrm{CaCl}_{2}\)
2 \(\mathrm{Na}_{2} \mathrm{CO}_{3}\)
3 \(\mathrm{NaCl}\)
4 \(\mathrm{Ca}(\mathrm{OH})_{2}\)
JEE - 2021
CHXI10:THE S-BLOCK ELEMENTS

315986 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot 10 \mathrm{H}_{2} \mathrm{O}\) when exposed to air looses water of crystallisation and gives finally

1 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot 4 \mathrm{H}_{2} \mathrm{O}\)
2 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot \mathrm{H}_{2} \mathrm{O}\)
3 \(\mathrm{Na}_{2} \mathrm{CO}_{3} .7 \mathrm{H}_{2} \mathrm{O}\)
4 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot 9 \mathrm{H}_{2} \mathrm{O}\)
CHXI10:THE S-BLOCK ELEMENTS

315987 Aqueous solution of \(\mathrm{Na}_{2} \mathrm{CO}_{3}\) is

1 Acidic
2 Basic
3 Neutral
4 Highly acidic
CHXI10:THE S-BLOCK ELEMENTS

315988 The statements regarding Sodium carbonate are
(i) It is efflorescent salt
(ii) The important by product formed in Solvay's process is \(\mathrm{CaCl}_{2}\)
(iii) The raw materials in Leblanc's process are \(\mathrm{NaCl}\), conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\), coke and lime stone.

1 i and iii are correct
2 i and ii are correct
3 only iii are correct
4 all are correct
NEET DIGITAL LIBRARY
CHXI10:THE S-BLOCK ELEMENTS

315985 During the recovery of \(\mathrm{NH}_{3}\) in Solvay process byproduct formed is :

1 \(\mathrm{CaCl}_{2}\)
2 \(\mathrm{Na}_{2} \mathrm{CO}_{3}\)
3 \(\mathrm{NaCl}\)
4 \(\mathrm{Ca}(\mathrm{OH})_{2}\)
JEE - 2021
CHXI10:THE S-BLOCK ELEMENTS

315986 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot 10 \mathrm{H}_{2} \mathrm{O}\) when exposed to air looses water of crystallisation and gives finally

1 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot 4 \mathrm{H}_{2} \mathrm{O}\)
2 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot \mathrm{H}_{2} \mathrm{O}\)
3 \(\mathrm{Na}_{2} \mathrm{CO}_{3} .7 \mathrm{H}_{2} \mathrm{O}\)
4 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot 9 \mathrm{H}_{2} \mathrm{O}\)
CHXI10:THE S-BLOCK ELEMENTS

315987 Aqueous solution of \(\mathrm{Na}_{2} \mathrm{CO}_{3}\) is

1 Acidic
2 Basic
3 Neutral
4 Highly acidic
CHXI10:THE S-BLOCK ELEMENTS

315988 The statements regarding Sodium carbonate are
(i) It is efflorescent salt
(ii) The important by product formed in Solvay's process is \(\mathrm{CaCl}_{2}\)
(iii) The raw materials in Leblanc's process are \(\mathrm{NaCl}\), conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\), coke and lime stone.

1 i and iii are correct
2 i and ii are correct
3 only iii are correct
4 all are correct
Join With Us for More Updates
CHXI10:THE S-BLOCK ELEMENTS

315985 During the recovery of \(\mathrm{NH}_{3}\) in Solvay process byproduct formed is :

1 \(\mathrm{CaCl}_{2}\)
2 \(\mathrm{Na}_{2} \mathrm{CO}_{3}\)
3 \(\mathrm{NaCl}\)
4 \(\mathrm{Ca}(\mathrm{OH})_{2}\)
JEE - 2021
CHXI10:THE S-BLOCK ELEMENTS

315986 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot 10 \mathrm{H}_{2} \mathrm{O}\) when exposed to air looses water of crystallisation and gives finally

1 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot 4 \mathrm{H}_{2} \mathrm{O}\)
2 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot \mathrm{H}_{2} \mathrm{O}\)
3 \(\mathrm{Na}_{2} \mathrm{CO}_{3} .7 \mathrm{H}_{2} \mathrm{O}\)
4 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot 9 \mathrm{H}_{2} \mathrm{O}\)
CHXI10:THE S-BLOCK ELEMENTS

315987 Aqueous solution of \(\mathrm{Na}_{2} \mathrm{CO}_{3}\) is

1 Acidic
2 Basic
3 Neutral
4 Highly acidic
CHXI10:THE S-BLOCK ELEMENTS

315988 The statements regarding Sodium carbonate are
(i) It is efflorescent salt
(ii) The important by product formed in Solvay's process is \(\mathrm{CaCl}_{2}\)
(iii) The raw materials in Leblanc's process are \(\mathrm{NaCl}\), conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\), coke and lime stone.

1 i and iii are correct
2 i and ii are correct
3 only iii are correct
4 all are correct
For More Updates join with Us
CHXI10:THE S-BLOCK ELEMENTS

315985 During the recovery of \(\mathrm{NH}_{3}\) in Solvay process byproduct formed is :

1 \(\mathrm{CaCl}_{2}\)
2 \(\mathrm{Na}_{2} \mathrm{CO}_{3}\)
3 \(\mathrm{NaCl}\)
4 \(\mathrm{Ca}(\mathrm{OH})_{2}\)
JEE - 2021
CHXI10:THE S-BLOCK ELEMENTS

315986 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot 10 \mathrm{H}_{2} \mathrm{O}\) when exposed to air looses water of crystallisation and gives finally

1 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot 4 \mathrm{H}_{2} \mathrm{O}\)
2 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot \mathrm{H}_{2} \mathrm{O}\)
3 \(\mathrm{Na}_{2} \mathrm{CO}_{3} .7 \mathrm{H}_{2} \mathrm{O}\)
4 \(\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot 9 \mathrm{H}_{2} \mathrm{O}\)
CHXI10:THE S-BLOCK ELEMENTS

315987 Aqueous solution of \(\mathrm{Na}_{2} \mathrm{CO}_{3}\) is

1 Acidic
2 Basic
3 Neutral
4 Highly acidic
CHXI10:THE S-BLOCK ELEMENTS

315988 The statements regarding Sodium carbonate are
(i) It is efflorescent salt
(ii) The important by product formed in Solvay's process is \(\mathrm{CaCl}_{2}\)
(iii) The raw materials in Leblanc's process are \(\mathrm{NaCl}\), conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\), coke and lime stone.

1 i and iii are correct
2 i and ii are correct
3 only iii are correct
4 all are correct
NEET DIGITAL LIBRARY