Miscellaneous Questions based on s-block Elements
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CHXI10:THE S-BLOCK ELEMENTS

315913 In India at the occasion of marriages, the fire works used green flame. Which of the following radicals may be present ?

1 \(\mathrm{Na}^{+}\)
2 \(\mathrm{K}^{+}\)
3 \(\mathrm{Ba}^{2+}\)
4 \(\mathrm{Ca}^{2+}\)
CHXI10:THE S-BLOCK ELEMENTS

315914 The alkali waste in Le Blanc process is

1 \(\mathrm{CdS}\)
2 \(\mathrm{Na}_{2} \mathrm{SO}_{4}\)
3 \(\mathrm{HCl}\)
4 \(\mathrm{CaS}\)
CHXI10:THE S-BLOCK ELEMENTS

315916 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
\(\mathrm{Na}^{+}\)
P
Chlorophyll
B
\(\mathrm{K}^{+}\)
Q
Bones and teeth
C
\(\mathrm{Ca}^{2+}\)
R
Regulating flow of water across cell membrane
D
\(\mathrm{Mg}^{2+}\)
S
Activation of enzyme within cell fluids

1 A - P, B - R, C - Q, D - S
2 A - S, B - R, C - Q, D - P
3 A - P, B - Q,C - R, D - S
4 A - R, B - S, C - Q, D - P
CHXI10:THE S-BLOCK ELEMENTS

315917 The lightest metal known is

1 Beryllium
2 Lithium
3 Sodium
4 Boron
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CHXI10:THE S-BLOCK ELEMENTS

315913 In India at the occasion of marriages, the fire works used green flame. Which of the following radicals may be present ?

1 \(\mathrm{Na}^{+}\)
2 \(\mathrm{K}^{+}\)
3 \(\mathrm{Ba}^{2+}\)
4 \(\mathrm{Ca}^{2+}\)
CHXI10:THE S-BLOCK ELEMENTS

315914 The alkali waste in Le Blanc process is

1 \(\mathrm{CdS}\)
2 \(\mathrm{Na}_{2} \mathrm{SO}_{4}\)
3 \(\mathrm{HCl}\)
4 \(\mathrm{CaS}\)
CHXI10:THE S-BLOCK ELEMENTS

315916 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
\(\mathrm{Na}^{+}\)
P
Chlorophyll
B
\(\mathrm{K}^{+}\)
Q
Bones and teeth
C
\(\mathrm{Ca}^{2+}\)
R
Regulating flow of water across cell membrane
D
\(\mathrm{Mg}^{2+}\)
S
Activation of enzyme within cell fluids

1 A - P, B - R, C - Q, D - S
2 A - S, B - R, C - Q, D - P
3 A - P, B - Q,C - R, D - S
4 A - R, B - S, C - Q, D - P
CHXI10:THE S-BLOCK ELEMENTS

315917 The lightest metal known is

1 Beryllium
2 Lithium
3 Sodium
4 Boron
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CHXI10:THE S-BLOCK ELEMENTS

315913 In India at the occasion of marriages, the fire works used green flame. Which of the following radicals may be present ?

1 \(\mathrm{Na}^{+}\)
2 \(\mathrm{K}^{+}\)
3 \(\mathrm{Ba}^{2+}\)
4 \(\mathrm{Ca}^{2+}\)
CHXI10:THE S-BLOCK ELEMENTS

315914 The alkali waste in Le Blanc process is

1 \(\mathrm{CdS}\)
2 \(\mathrm{Na}_{2} \mathrm{SO}_{4}\)
3 \(\mathrm{HCl}\)
4 \(\mathrm{CaS}\)
CHXI10:THE S-BLOCK ELEMENTS

315916 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
\(\mathrm{Na}^{+}\)
P
Chlorophyll
B
\(\mathrm{K}^{+}\)
Q
Bones and teeth
C
\(\mathrm{Ca}^{2+}\)
R
Regulating flow of water across cell membrane
D
\(\mathrm{Mg}^{2+}\)
S
Activation of enzyme within cell fluids

1 A - P, B - R, C - Q, D - S
2 A - S, B - R, C - Q, D - P
3 A - P, B - Q,C - R, D - S
4 A - R, B - S, C - Q, D - P
CHXI10:THE S-BLOCK ELEMENTS

315917 The lightest metal known is

1 Beryllium
2 Lithium
3 Sodium
4 Boron
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CHXI10:THE S-BLOCK ELEMENTS

315913 In India at the occasion of marriages, the fire works used green flame. Which of the following radicals may be present ?

1 \(\mathrm{Na}^{+}\)
2 \(\mathrm{K}^{+}\)
3 \(\mathrm{Ba}^{2+}\)
4 \(\mathrm{Ca}^{2+}\)
CHXI10:THE S-BLOCK ELEMENTS

315914 The alkali waste in Le Blanc process is

1 \(\mathrm{CdS}\)
2 \(\mathrm{Na}_{2} \mathrm{SO}_{4}\)
3 \(\mathrm{HCl}\)
4 \(\mathrm{CaS}\)
CHXI10:THE S-BLOCK ELEMENTS

315916 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
\(\mathrm{Na}^{+}\)
P
Chlorophyll
B
\(\mathrm{K}^{+}\)
Q
Bones and teeth
C
\(\mathrm{Ca}^{2+}\)
R
Regulating flow of water across cell membrane
D
\(\mathrm{Mg}^{2+}\)
S
Activation of enzyme within cell fluids

1 A - P, B - R, C - Q, D - S
2 A - S, B - R, C - Q, D - P
3 A - P, B - Q,C - R, D - S
4 A - R, B - S, C - Q, D - P
CHXI10:THE S-BLOCK ELEMENTS

315917 The lightest metal known is

1 Beryllium
2 Lithium
3 Sodium
4 Boron
For More Updates join with Us