Quartz is an example of:

(1) chain silicate

(2) sheet silicate

(3) cyclic silicate

(4) three dimensional network silicate

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
 71%
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The products of the following reaction are;

SiO2+C

1. SiC and CO2

2. SiO and CO

3. SiC and CO

4. Si and CO2

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
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Which of the following shows bonding in silicone?

1. Si-C-Si-O-Si

2. Si-C-Si-C-Si

3.       l             l             l
-Si-O-Si-O-Si-

4. Si-Si-Si-Si

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
 94%
From NCERT
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R3SiCl on polymerisation after hydrolysis forms:

(1) R3SiOH

(2) R3Si-O-SiR3

(3) R2Si=O

(4) None of these

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
 54%
From NCERT
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Among the following substituted silanes the one which will give rise to cross linked silicone polymer on hydrolysis is:

(1) R4Si

(2) RSiCl3

(3) R2SiCl2

(4) R3SiCl

Subtopic:  Properties of Structure of SiO2 & Other Compounds |
 53%
From NCERT
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The most commonly used reducing agent  is:

(1) SnCl4

(2) HF

(3) SnCl2

(4) Cl2

Subtopic:  Properties of Glass, Pb & Sn compounds |
 73%
From NCERT
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Tin plague is the:

(1) conversion of stannous to stannic

(2) conversion of white tin to grey tin

(3) emission of sound while bending a tin rod

(4) atmospheric oxidation of tin

Subtopic:  Properties of Glass, Pb & Sn compounds |
 58%
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When chlorine is passed through molten tin, the product obtained is:

(1) SnCl2

(2) [SbCl4]2-

(3) [SnCl6]2-

(4) SnCl4

Subtopic:  Properties of Glass, Pb & Sn compounds |
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Iodine is decolourised by:

(1) ZnCl2

(2) HgCl2

(3) SnCl2

(4) AlCl3

Subtopic:  Properties of Glass, Pb & Sn compounds |
 54%
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Addition of excess of sodium hydroxide solution to stannous chloride solution, gives:

(1) Sn(OH)2

(2) SnO2.H2O

(3) Na2SnO3

(4) Na2SnO2

Subtopic:  Properties of Glass, Pb & Sn compounds |
From NCERT
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