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CHXI11:THE P-BLOCK ELEMENTS

316665 Chemical formula of phosgene is

1

{COCl}_{2}

2

{CaOCl}_{2}

3

{CaCO}_{3}

4

COCl

Explanation:

Phosgene is another name of carbonyl chloride $({COCl}_{2})$ .

CHXI11:THE P-BLOCK ELEMENTS

316666 Which of the following is not attacked by hot sodium hydroxide solution?

1 Silicon

2 Carbon

3 Tin

4 Lead

CHXI11:THE P-BLOCK ELEMENTS

316667 Identify the correct statements from the following:
(a) ${CO}_{2} (g)$ is used as refrigerant for ice- cream and frozen food.
(b) The structure of $C_{60}$ contains twelve six carbon rings and twenty five carbon rings.
(c) ZSM-5, a type of zeolite, is used to convert alcohols into gasoline
(d) $CO$ is colourless and odorless gas

1 (a) and (c) only

2 (b) and (c) only

3 (c) and (d) only

4 (a), (b) and (c) only

NEET - 2020

CHXI11:THE P-BLOCK ELEMENTS

316668 Solder is an alloy of:

1

Pb, Sb

and

Sn

2

Pb

and

Sn

3

Pb, Bi

and

Sn

4

Sn, Sb

and

Cu

CHXI11:THE P-BLOCK ELEMENTS

316669 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
Used as lubricant
P
Carbon dioxide
B
Oxide with three- dimensional structure
Q
Graphite
C
Used in solar cells
R
Silica
D
Anhydride of carbonic acid
S
Silicon

1

A - S, B - R, C - Q, D - P

2

A - S, B - P, C - R, D - Q

3

A - R, B - Q, C - P, D - S

4

A - Q, B - R, C - S, D - P

CHXI11:THE P-BLOCK ELEMENTS

316665 Chemical formula of phosgene is

1

{COCl}_{2}

2

{CaOCl}_{2}

3

{CaCO}_{3}

4

COCl

Explanation:

Phosgene is another name of carbonyl chloride $({COCl}_{2})$ .

CHXI11:THE P-BLOCK ELEMENTS

316666 Which of the following is not attacked by hot sodium hydroxide solution?

1 Silicon

2 Carbon

3 Tin

4 Lead

CHXI11:THE P-BLOCK ELEMENTS

316667 Identify the correct statements from the following:
(a) ${CO}_{2} (g)$ is used as refrigerant for ice- cream and frozen food.
(b) The structure of $C_{60}$ contains twelve six carbon rings and twenty five carbon rings.
(c) ZSM-5, a type of zeolite, is used to convert alcohols into gasoline
(d) $CO$ is colourless and odorless gas

1 (a) and (c) only

2 (b) and (c) only

3 (c) and (d) only

4 (a), (b) and (c) only

NEET - 2020

CHXI11:THE P-BLOCK ELEMENTS

316668 Solder is an alloy of:

1

Pb, Sb

and

Sn

2

Pb

and

Sn

3

Pb, Bi

and

Sn

4

Sn, Sb

and

Cu

CHXI11:THE P-BLOCK ELEMENTS

316669 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
Used as lubricant
P
Carbon dioxide
B
Oxide with three- dimensional structure
Q
Graphite
C
Used in solar cells
R
Silica
D
Anhydride of carbonic acid
S
Silicon

1

A - S, B - R, C - Q, D - P

2

A - S, B - P, C - R, D - Q

3

A - R, B - Q, C - P, D - S

4

A - Q, B - R, C - S, D - P

CHXI11:THE P-BLOCK ELEMENTS

316665 Chemical formula of phosgene is

1

{COCl}_{2}

2

{CaOCl}_{2}

3

{CaCO}_{3}

4

COCl

Explanation:

Phosgene is another name of carbonyl chloride $({COCl}_{2})$ .

CHXI11:THE P-BLOCK ELEMENTS

316666 Which of the following is not attacked by hot sodium hydroxide solution?

1 Silicon

2 Carbon

3 Tin

4 Lead

CHXI11:THE P-BLOCK ELEMENTS

316667 Identify the correct statements from the following:
(a) ${CO}_{2} (g)$ is used as refrigerant for ice- cream and frozen food.
(b) The structure of $C_{60}$ contains twelve six carbon rings and twenty five carbon rings.
(c) ZSM-5, a type of zeolite, is used to convert alcohols into gasoline
(d) $CO$ is colourless and odorless gas

1 (a) and (c) only

2 (b) and (c) only

3 (c) and (d) only

4 (a), (b) and (c) only

NEET - 2020

CHXI11:THE P-BLOCK ELEMENTS

316668 Solder is an alloy of:

1

Pb, Sb

and

Sn

2

Pb

and

Sn

3

Pb, Bi

and

Sn

4

Sn, Sb

and

Cu

CHXI11:THE P-BLOCK ELEMENTS

316669 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
Used as lubricant
P
Carbon dioxide
B
Oxide with three- dimensional structure
Q
Graphite
C
Used in solar cells
R
Silica
D
Anhydride of carbonic acid
S
Silicon

1

A - S, B - R, C - Q, D - P

2

A - S, B - P, C - R, D - Q

3

A - R, B - Q, C - P, D - S

4

A - Q, B - R, C - S, D - P

CHXI11:THE P-BLOCK ELEMENTS

316665 Chemical formula of phosgene is

1

{COCl}_{2}

2

{CaOCl}_{2}

3

{CaCO}_{3}

4

COCl

Explanation:

Phosgene is another name of carbonyl chloride $({COCl}_{2})$ .

CHXI11:THE P-BLOCK ELEMENTS

316666 Which of the following is not attacked by hot sodium hydroxide solution?

1 Silicon

2 Carbon

3 Tin

4 Lead

CHXI11:THE P-BLOCK ELEMENTS

316667 Identify the correct statements from the following:
(a) ${CO}_{2} (g)$ is used as refrigerant for ice- cream and frozen food.
(b) The structure of $C_{60}$ contains twelve six carbon rings and twenty five carbon rings.
(c) ZSM-5, a type of zeolite, is used to convert alcohols into gasoline
(d) $CO$ is colourless and odorless gas

1 (a) and (c) only

2 (b) and (c) only

3 (c) and (d) only

4 (a), (b) and (c) only

NEET - 2020

CHXI11:THE P-BLOCK ELEMENTS

316668 Solder is an alloy of:

1

Pb, Sb

and

Sn

2

Pb

and

Sn

3

Pb, Bi

and

Sn

4

Sn, Sb

and

Cu

CHXI11:THE P-BLOCK ELEMENTS

316669 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
Used as lubricant
P
Carbon dioxide
B
Oxide with three- dimensional structure
Q
Graphite
C
Used in solar cells
R
Silica
D
Anhydride of carbonic acid
S
Silicon

1

A - S, B - R, C - Q, D - P

2

A - S, B - P, C - R, D - Q

3

A - R, B - Q, C - P, D - S

4

A - Q, B - R, C - S, D - P

CHXI11:THE P-BLOCK ELEMENTS

316665 Chemical formula of phosgene is

1

{COCl}_{2}

2

{CaOCl}_{2}

3

{CaCO}_{3}

4

COCl

Explanation:

Phosgene is another name of carbonyl chloride $({COCl}_{2})$ .

CHXI11:THE P-BLOCK ELEMENTS

316666 Which of the following is not attacked by hot sodium hydroxide solution?

1 Silicon

2 Carbon

3 Tin

4 Lead

CHXI11:THE P-BLOCK ELEMENTS

316667 Identify the correct statements from the following:
(a) ${CO}_{2} (g)$ is used as refrigerant for ice- cream and frozen food.
(b) The structure of $C_{60}$ contains twelve six carbon rings and twenty five carbon rings.
(c) ZSM-5, a type of zeolite, is used to convert alcohols into gasoline
(d) $CO$ is colourless and odorless gas

1 (a) and (c) only

2 (b) and (c) only

3 (c) and (d) only

4 (a), (b) and (c) only

NEET - 2020

CHXI11:THE P-BLOCK ELEMENTS

316668 Solder is an alloy of:

1

Pb, Sb

and

Sn

2

Pb

and

Sn

3

Pb, Bi

and

Sn

4

Sn, Sb

and

Cu

CHXI11:THE P-BLOCK ELEMENTS

316669 Match the column I with column II and mark the appropriate choice.
Column I
Column II
A
Used as lubricant
P
Carbon dioxide
B
Oxide with three- dimensional structure
Q
Graphite
C
Used in solar cells
R
Silica
D
Anhydride of carbonic acid
S
Silicon

1

A - S, B - R, C - Q, D - P

2

A - S, B - P, C - R, D - Q

3

A - R, B - Q, C - P, D - S

4

A - Q, B - R, C - S, D - P

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