EPT

NAME-

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Q1)"Concentrated sulphuric acid is used in the laboratory preparation of nitric acid and hydrochloric acid because it is ____in comparison to these two acids."

• Less volatile
• Stronger
• Medium volatile
• None

Q2)Choose the property of sulphuric acid in which copper sulphate is prepared from copper oxide.

• Dil. acid
• Non-volatile acid
• Oxidizing agent
• Dehydrating agent

Q3)Which property of sulphuric acid accounts for its use as a dehydrating agent?

• Strong affinity for water
• Weak affinity for water
• Medium affinity for water
• No affinity for water

Q4)Dil. H2SO4 will produce a white ppt. when added to a solution of:

• Copper nitrate
• Zinc nitrate
• Lead nitrate
• Sodium nitrate

Q5)The solution which liberates sulphur dioxide gas ,from sodium sulphite.

• Sodium hydroxide solution
• Ammonium hydroxide
• Dilute sulphuric acid
• None