Some Important Compounds of Sodium

IMPORTANT

Some Important Compounds of Sodium: Overview

This topic covers concepts, such as Washing Soda, Sodium Chloride, Sodium Bicarbonate, Crystalline Decahydrate form of Sodium Carbonate, Uses of Sodium Bicarbonate, Physical Properties of Sodium Chloride, Preparation of Sodium Hydroxide, etc.

Important Questions on Some Important Compounds of Sodium

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 1

When a substance A reacts with water it produces a combustible gas B and a solution of substance C in water. When another substance D reacts with this solution of C, it also produces the same gas B on warming but D can produce gas B on reaction with dilute sulphuric acid at room temperature. A imparts a deep golden yellow colour to a smokeless flame of Bunsen burner. A, B, C and D respectively are

                                                                                               

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 2

What is sodium chloride used for in hospitals?

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 3

Write the uses of sodium chloride.

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 4

Addition of more carbon to an aqueous sodium carbonate solution yields sodium bicarbonate which at sufficiently high concentration precipitates out of the solution.

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 5

Explain the preparation of sodium bicarbonate from sodium carbonate.

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 6

The crude _____ is obtained by evaporation of seawater.

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 7

The crude sodium chloride is obtained by evaporation of _____.

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 8

Which of the following compound of sodium is called washing soda?

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 9

Sodium carbonate is a white crystalline solid which exists as a decarbohydrateNa2CO3·7H2O.

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 10

Sodium carbonate is a white crystalline solid which exists as a _____.

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 11

Sodium chloride melts at _____.

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 12

Sodium chloride melts at 273 K.

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 13

Describe the melting point of sodium chloride?

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 14

Explain how crude sodium chloride made to pure sodium chloride?

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 15

_____ and magnesium chloride, being more soluble than sodium chloride, remain in solution.

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 16

Which of the following are the impurities that are removed in the preparation of salt?

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 17

Crude sodium chloride, generally obtained by crystallisation of brine solution, contains sodium sulphate, calcium sulphate, calcium chloride and magnesium chloride as impurities.

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 18

NaHCO3​ is used as fire extinguisher.

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 19

Sodium bicarbonate is used in the fire extinguisher. Explain.

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Chemistry>The s-Block Elements>Some Important Compounds of Sodium> Q 20

Sodium bicarbonate is not used