A highly pure dilute solution of sodium in liquid ammonia:

(1) Shows blue color

(2) Do not exhibit electrical conductivity

(3) Produces sodium amide

(4) Produces hydrogen gas

Subtopic:  Chemical Properties | Compounds of Ca and Na -Preparations, Properties & Uses |
 80%
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The process associated with sodium carbonate manufacture is known as........... process.

(1) Chamber

(2) Haber

(3) Leblanc

(4) Castner

Subtopic:  Compounds of Ca and Na -Preparations, Properties & Uses |
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When sulfur is heated with NaOH(aq) the compounds formed are:

1. Na2S+H2O

2. Na2SO3+H2O

3. Na2S+Na2S2O3+H2O

4. Na2S2O3+H2O

Subtopic:  Compounds of Ca and Na -Preparations, Properties & Uses |
 68%
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The raw materials in the Solvay process are

1. NaOH,CaO and NH3

2. Na2CO3,CaCO3 and NH3

3. Na2SO4,CaCO3 and NH3

4. NaCl,NH3,CaCO3

Subtopic:  Compounds of Ca and Na -Preparations, Properties & Uses |
 69%
From NCERT
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The product obtained on the fusion of BaSO4  and Na2CO3  is
 

1. BaO

2. BaCO3

3. BaHSO4

4. Ba(OH)2

​​​​​​​

Subtopic:  Chemical Properties |
 65%
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An aqueous solution of sodium carbonate is alkaline because sodium carbonate

is a salt of 

(1) weak acid and weak base 

(2) weak acid and strong base 

(3) strong acid and strong base 

(4)  strong acid and weak base

Subtopic:  Chemical Properties |
 85%
From NCERT
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What are the by-products of the Solvay process

(1) CaCl2, CO2, NH3 

(2) Na2CO3CO2

(3) NH4Cl, CaO  

(4) CaO, Na2CO3

Subtopic:  Preparations, Properties & Uses of S Block Elements | Compounds of Ca and Na -Preparations, Properties & Uses |
 71%
From NCERT
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When a solution of sodium hydroxide is added in excess to the solution of

potash alum, we get 

(1) a clear solution 

(2) a crystalline mass

(3) a white precipitate 

(4) bluish white precipitate 

Subtopic:  Chemical Properties |
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Sodium in liquid ammonia is used as :

1. Oxidizing agent .

2. Reducing agent.

3. Hydrolyzing agent.

4. Precipitating agent.

Subtopic:  Chemical Properties |
 76%
From NCERT
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An aqueous solution of a salt of sodium (NaX) on boiling with MgCl2 gives white precipitate, hence anion X is:

1. HCO3-

2. NO3-

3. CO32-

4. SO32-

Subtopic:  Chemical Properties |
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