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प्रश्न
Give a chemical test to distinguish between the following gases:
Ammonia and hydrogen chloride
Give at least two tests to differentiate between the following gases.
HCl and ammonia
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उत्तर
| Test | hydrogen chloride (HCl) | Ammonia (NH3) |
|---|---|---|
| 1. Conc. HCl glass rod test | A glass rod dipped in concentrated HCl is brought near the gas. No white fumes are formed. | A glass rod dipped in concentrated HCl is brought near the gas. Dense white fumes of ammonium chloride are formed. |
| 2. Nessler’s reagent test | No action with Nessler’s reagent. | Turns Nessler’s reagent from colourless to pale brown. |
संबंधित प्रश्न
Give reason for the following:
A pop sound produced when hydrogen is burnt?
State four uses of hydrogen:
Multiple Choice Question
Equal volumes of hydrogen and chlorine are exposed to diffused sunlight to prepare
Multiple Choice Question
Hydrogen is
FILL IN THE BLANK
Ammonia is used to make ................
Why is hydrogen called a reducing agent? Give chemical equation to support your answer ?
Write the balanced equation and give your observation when the following metal reacts:
Calcium with cold water
Give equations for the reactions.
How is hydrogen separated from carbon dioxide and carbon monoxide?
With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.
Chlorine acts as an ______ agent.
Give balanced equation for the following conversion:
Nitrogen to a basic gas – using hydrogen.
Select the correct options for the following statement:
The gas which has now replaced hydrogen in air balloons is ___.
Match the statements in List I with the appropriate answer in List II.
| List I | List II |
| 1. An atom of hydrogen | A: Chromic oxide |
| 2. A strong oxidising agent | B: Ammonia |
| 3. A promoter used in Bosch process | C: Iron |
| 4. A chemical used in the manufavture of fertilizers | D: One electron |
| 5. The catalyst used in production of a basic gas from nitrogen. | E: Dilute nitric acid |
Give a chemical test to distinguish between the following gases:
Hydrogen and oxygen
What do the following symbols [or formula] denote : 2H ; H2 ; H+. [two atoms, molecule, ion]
Name a gas which burns in air or oxygen forming water.
Write correctly the balanced equation for the following:
‘When zinc filings are added to a concentrated solution of sodium hydroxide’.
