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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.
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संबंधित प्रश्न
How will you distinguish between dilute hydrochloric acid and dilute sulphuric acid using lead nitrate solution?
A, B, C, and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated.
A = Typical acid property
B = Non volatile acid
C = Oxidizing agent
D = Dehydrating agent
Choose the property (A, B, C or D) depending on which is relevant to each of the following
1) Preparation of Hydrogen chloride gas
2) Preparation of Copper sulphate from copper oxide.
3) An action of conc. Sulphuric acid on Sulphur.
Identify the acid in the following case:
The acid which produces sugar charcoal from sugar.
Give one equation to show the following properties of sulphuric acid:
Dehydrating property
Name the products formed when hot and concentrated sulphuric acid reacts with NaOH.
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:
Concentrated sulphuric acid is kept in airtight bottles.
In the given equation identify the role played by concentrated sulphuric acid S + 2H2SO4→ 3SO2 + 2H2O
Write the balanced chemical equation for the following conversion:
Copper sulphate from copper and concentrated sulphuric acid.
Distinguish between the following pair of compounds using the test given with brackets:
Dilute sulphuric acid and dilute hydrochloric acid (using barium chloride solution)
