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- 1. Multiple Choice
Which of the following are suitable conditions for preparation of hydrogen chloride gas?
Heating NaCl and sulphuric acid at 200 degree celsius.
Heating NaCl and conc.sulphuric acid at any temperature.
Heating NaCl and conc.sulphuric acid at temperature above 200 degree celsius.
Heating NaCl and conc. sulphuric acid at temperature below 200 degree celsius
- 2. Multiple Choice
Name the drying agent/agents not used to dry hydrogen chloride gas
phosphorus pentaoxide
phosphorus pentaoxide and calcium oxide
calcium oxide
conc.sulphuric acid
- 3. Multiple Choice
HCl being polar covalent compound is soluble in organic non – polar solvents also.
True
False
- 4. Multiple Choice
What is the main purpose of Fountain experiment?
To show high solubility of HCl gas in water.
To show the acidic nature of HCl gas.
- 5. Multiple Choice
Liquefied hydrogen chloride does not conduct electricity. It shows the
electrovalent nature of hydrogen chloride.
covalent nature of hydrogen chloride.
neutral nature of hydrogen chloride.
- 6. Multiple Choice
Why is inverted funnel arrangement is used to prepare hydrochloric acid?
to increase back suction.
to provide large surface area for absorption of HCl gas..
to prevent back suction.
to prevent back suction and provide large surface area for absorption of HCl gas.
- 7. Multiple Choice
Name the gas released when sodium sulphite reacts with hydrochloric acid.
hydrogen
chlorine
sulphur diioxide
sulphur trioxide
- 8. Multiple Choice
Aquaregia is a mixture of
3 parts of hydrochloric acid and 1 part of nitric acid.
3 parts of conc.hydrochloric acid and 1 part of conc.nitric acid.
1 part of hydrochloric acid and 3 parts of nitric acid.
3 parts of conc.hydrochloric acid and 1 part of nitric acid.
- 9. Multiple Choice
Which of the following compound gives white ppt. when reacts with hydrochloric acid?
copper nitrate
calcium carbonate
sodium sulphide
lead nitrate
- 10. Multiple Choice
When silver nitrate solution reacts with hydrochloric acid, it gives a thick curdy white ppt. which is soluble in
sodium hydroxide
ammonium hydroxide
calcium hydroxide
- 11. Multiple Choice
Reaction between conc.HCl and MnO2 produces greenish yellow gas which turns moist starch iodide paper blue black, the gas is
chlorine
hydrogen
oxygen
- 12. Multiple Choice
Carbonates and bicarbonates reacts with hydrochloric acid to give salt, water and _____
chlorine
hydrogen
carbon dioxide
oxygen
- 13. Multiple Choice
What is the purpose of the given experiment?
to show that air is denser than HCl gas
to show HCl gas is heavier than air
to show HCl gas is lighter than air
none of the above
- 14. Multiple Choice
Identify the correct electron dot diagram of HCl
- 15. Multiple Choice
Pick the correct insoluble salts
calcium carbonate
silver chloride
potassium carbonate
barium nitrate
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