a mixture of calcium and sodium silicates with silica

Emission of sound while bending a tin rod

Conversion of white to grey tin

Conversion of white tetrahedral tin to white rhombohedral tin

used by pneumonia patients for respiration

used by victims of CO for respiration

Chemistry - Pblock Elements Xi - Quiz-3

Red lead is:

0%

$PbO$
0%

${{Pb}_{3} O}_{4}$
0%

${PbO}_{2}$
0%

$HgS$

White lead or basic lead carbonate is:

0%

$Pb {(OH)}_{2} \cdot 2 {PbCO}_{3}$
0%

$Pb {(OH)}_{2} \cdot Pb {({CH}_{3} COO)}_{2}$
0%

${PbCO}_{3}$
0%

${PbCO}_{3} \cdot Pb {(OH)}_{2}$

Hot and conc. ${HNO}_{3}$ react with carbon to form:

0%

${CO}_{2}$
0%

$CO$
0%

$C_{6} H_{5} COOH$
0%

${NO}_{2} + {CO}_{2}$

$R_{3} SiCl$ on complete hydrolysis forms-

0%

$R_{3} SiOH$
0%

$R_{3} Si — O — {SiR}_{3}$
0%

$R_{3} Si = O$
0%

None of the above

Semi water gas is a mixture of:

0%

water gas and producer gas
0%

water gas and ${CO}_{2}$
0%

producer gas and ${CO}_{2}$
0%

producer gas and oil gas

Butter of tin is:

0%

${SnCl}_{2} \cdot 5 H_{2} O$
0%

${SnCl}_{4} \cdot 5 H_{2} O$
0%

${SnBr}_{2} \cdot 2 H_{2} O$
0%

${SnBr}_{4} \cdot 5 H_{2} O$

Pewter is an alloy of:

0%

Pb and Sn
0%

Pb, Sb and Sn
0%

Pb, Bi and Sn
0%

sb, Sn and Cu,Bi,Pb

Lead pipes can be used for:

0%

soft water
0%

hard water
0%

both hard and soft water
0%

none of the above

Ordinary glass is:

0%

sodium silicate
0%

copper silicate
0%

calcium silicate
0%

a mixture of calcium and sodium silicates with silica

Synthesis gas is a mixture of:

0%

hydrogen and methane
0%

steam and carbon monoxide
0%

carbon monoxide and nitrogen
0%

hydrogen and carbon monoxide

The substance used to impart green colour to glass is:

0%

${Cu}_{2} O$
0%

$CdS$
0%

${MnO}_{2}$
0%

${Cr}_{2} O_{3}$

The percentage of lead in a lead pencil is-

0%

20
0%

0
0%

80
0%

70

Tin cry refers to-

0%

Conversion of white to grey tin
0%

Tin plating
0%

Conversion of white tetrahedral tin to white rhombohedral tin
0%

Emission of sound while bending a tin rod

Carbogen is:

0%

mixture of $O_{2} + 5 - 10 % {CO}_{2}$
0%

used by pneumonia patients for respiration
0%

used by victims of $CO$ for respiration
0%

all of the above

If a person is injured by the shot of a gun and all the pellets could not be removed, it may cause poisoning by:

0%

Hg
0%

Pb
0%

Fe
0%

As

The carbon of microphones used in public address systems is:

0%

graphite
0%

charcoal
0%

coke
0%

lamp black

Which element of group 14 forms only one hydride?

0%

C
0%

Si
0%

Sn
0%

Pb

The thermal stability order for group 14 halides is:

0%

${GeX}_{2} < {SiX}_{2} < {SnX}_{2} < {PbX}_{2}$
0%

${SiX}_{2} < {GeX}_{2} < {PbX}_{2} < {SnX}_{2}$
0%

${SiX}_{2} < {GeX}_{2} < {SnX}_{2} < {PbX}_{2}$
0%

${PbX}_{2} < {SnX}_{2} < {GeX}_{2} < {SiX}_{2}$

The correct statement regarding polymeric silicon dioxide is -

0%

Each silicon atom is surrounded by four oxygen atoms and each oxygen atom is bonded to two silicon atoms
0%

Each silicon atom is surrounded by two oxygen atoms and each oxygen atom is bonded to two silicon atoms
0%

Silicon atom is bonded to two oxygen atoms
0%

These are double bonds between silicon and oxygen atoms

${PbO}_{2}$ on reaction with ${HNO}_{3}$ gives gas:

0%

${NO}_{2}$
0%

$O_{2}$
0%

$N_{2}$
0%

$N_{2} O$

AlF₃ is soluble in HF only in the presence of KF due to the formation of-

0%

$K_{3} ({AIF}_{3} H_{3})$
0%

$K_{3} ({AIF}_{6})$
0%

${AIH}_{3}$
0%

$K ({AIF}_{3} H)$

The correct statement regarding inert pair effect is -

0%

Sn²⁺ is oxidizing agent while Pb⁴⁺ is a reducing agent
0%

Sn²⁺ and Pb²⁺ both are an oxidizing agents
0%

Sn⁴⁺ is a reducing agent while Pb⁴⁺ is oxidizing agent
0%

Sn²⁺ is a reducing agent while Pb⁴⁺ is oxidizing agent

An element that cannot form ${MF}_{6}^{3 -}$ ion is -

0%

Ga
0%

Al
0%

B
0%

In

The correct order of atomic radii among the group 13 elements is-

0%

B < Al < In < Ga < Tl
0%
B < Al < Ga < In < Tl
0%
B < Ga < Al < Tl < In
0%
B < Ga < Al < In < Tl

In which of the following pairs, both the species are not isostructural?

0%

SiCl_4, ${PCl}_{4}^{+}$
0%

Diamond, silicon carbide
0%

$N H_{3}, P H_{3}$
0%

$X e F_{4}, X e O_{4}$

The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence

0%

Ga<ln<Al<Tl
0%

Al<Ga<ln<Tl
0%

Tl<ln<Ga<Al
0%

ln<Tl<Ga<Al

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Practice Chemistry Quiz Questions and Answers

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Practice Chemistry Quiz Questions and Answers

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