R3SiCl on complete hydrolysis forms:

1.  R3SiOH

2.  R3SiOSiR3

3.  R3Si=O

4.  None of the above.

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
 55%
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Pyrosilicate ion is:

1.  SiO22-

2.  SiO42-

3.  Si2O76-

4.  Si2O67-

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
 62%
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Semi water gas is a mixture of:

1.  water gas and producer gas

2.  water gas and CO2

3.  producer gas and CO2

4.  producer gas and oil gas

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 57%
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Butter of tin is:

1.  SnCl2·5H2O

2.  SnCl4·5H2O

3.  SnBr2·2H2O

4.  SnBr4·5H2O

Subtopic:  Compounds of Carbon, Preparations, Properties & Uses |
 62%
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Pewter is an alloy of:

1.  Pb and Sn

2.  Pb, Sb and Sn

3.  Pb, Bi and Sn

4.  sb, Sn and Cu,Bi,Pb

Subtopic:  Carbon Family - Preparations, Properties & Uses |
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Lead pipes can be used for:

1.  soft water

2.  hard water

3.  both hard and soft water

4.  none of the above

Subtopic:  Properties of Glass, Pb & Sn compounds |
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Ordinary glass is:

1.  sodium silicate

2.  copper silicate

3.  calcium silicate

4.  a mixture of calcium and sodium silicates with silica

Subtopic:  Properties of Glass, Pb & Sn compounds |
 69%
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Synthesis gas is a mixture of:

1.  steam and carbon monoxide

2.  carbon monoxide and nitrogen

3.  hydrogen and carbon monoxide

4.  hydrogen and methane

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 64%
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The substance used to impart green colour to glass is:

1.  Cu2O

2.  CdS

3.  MnO2

4.  Cr2O3

Subtopic:  Properties of Glass, Pb & Sn compounds |
 64%
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The percentage of lead in a lead pencil is-

1.  20

2.  0

3.  80

4.  70

Subtopic:  Carbon Family - Preparations, Properties & Uses |
 58%
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