Question

Which of the following is a neither deliquescent nor efflorescent and is used for wool washing?

Solution

Correct option is

Na2CO3.NaCO3.2H2O

Sodium sesquicarbonate (Na2CO3.NaCO3.2H2O) is neither deliquescent nor efflorescent and is used for wool washing.

SIMILAR QUESTIONS

Q1

Among the following compounds of cement which is present in the highest amount?

Q2

Sodium peroxide which is a yellow solid, when exposed to air becomes white due to the formation of

Q3

The alkali metals form salt-like hydrides by the direct synthesis at elevated temperature. The thermal stability of these hydrides decreases in which of the following orders?

Q4

Which of the following on thermal decomposition yields a basic as well as an acidic oxide?

Q5

 

Choose the correct statement :

The reason for use of polyphosphates as water softening agents is, that

Q6

Lithium can not be stored in kerosene oil because

Q7

Which one out of the NaOH and KOH, is a better absorber of CO2?

Q8

 

Which product is formed in the following reaction

 

Q9

 

The general formula of an alum is 

where M is univalent and M’ is a trivalent metal which of the following does not form alum?

Q10

Which of the following is commercially known as oxone?