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प्रश्न
Quicklime is not used to dry HCl gas because _____.
पर्याय
CaO is alkaline.
CaO is acidic.
CaO is neutral.
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उत्तर
Quicklime is not used to dry HCl gas because CaO is alkaline.
संबंधित प्रश्न
Give one equation to show the following properties of sulphuric acid:
As a non-volatile acid
Give reason for the following:
When concentrated sulphuric acid is added to blue crystalline copper sulphate, it turns powdery white.
Give reason for the following:
H2SO4 cannot be prepared by heating sodium sulphate with conc. HCl or HNO3
Describe the reaction that show
Concentrated sulphuric acid is a non-volatile acid.
Which concentrated acid oxidizes sulphur directly to sulphuric acid ? Write the equation for the same. What is the name of the process by which sulphuric acid is manufactured ? Name the catalyst used in the process.
Complete the following sentence, choosing the correct word from the given options.
"Concentrated sulphuric acid is used in the laboratory preparation of nitric acid and hydrochloric acid because it is ____________ in comparison to these two acids."
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Copper sulphate from copper.
Write the equation of the following reaction :
Concentrated sulphuric acid is poured over sugar
A, B and C are the chemical properties of sulphuric acid:
A. Oxidizing agent
B. Dehydrating agent
C. Non-volatile acid
Match the following equations 1 to 3 to the above chemical properties of sulphuric acid.
1. \[\ce{KNO3 + H2SO4 -> KHSO4 + HNO3}\]
2. \[\ce{C12H22O11 -> 12C + 11H2O}\]
3. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\]
The property exhibited by concentrated sulphuric acid when it is used to prepare hydrogen chloride gas from potassium chloride is ______.
