HCL LAB PREPN (B1)

1. Name the reactant used to prepare HCl in the laboratory?

• NaCl
• Conc. H2SO4
• BOTH
• NOTA

2. Reactant mixture is heated at a temperature less than

• 50 C
• 100 C
• 150C
• 200 C

3. What is the method of collection of HCl gas ?

• Upward displacement of air
• Downward displacement of air
• Upward Displacement of air & Downward Displacement of air
• NONE

4.Why is HCl not collected over water?

• HCl & water mixture is explosive
• HCl is highly soluble in water
• BOTH
• NONE

5. What do you observe when HCl react with ammonia ?

• DENSE YELLOW FUMES
• DENSE BLACK FUMES
• DENSE WHITE FUMES
• NONE