Normal, Acidic, Basic, And Double Salts Jamb Chemistry Past Questions
Question 1
A suitable reagent for distinguish between ethanoic and ethanol is
- A. bromine water
- B. Fehlingâs solution
- C. sodium hydrogen trioxocarbonate (iv)
- D. Ammoniacal silver trioxonitrate(V)
Question 2
When sugar is dissolve in tea, the reaction is accomplished by?
- A. positive change
- B. negative entropy change
- C. no entropy change
- D. a minimum entropy change
Question 3
In the diagram above, X is the
- A. Enthalphy
- B. Activated complex
- C. Activation energy
- D. Enthalphy change
Question 4
The functional groups present in the compound above are
- A. Alkene and halo-group
- B. Hydroxyl and chloro-group
- C. Alkene and chloro-group
- D. Hydroxyl and halo-group
Question 5
An aqueous solution of a metal salt, M. gives a white precipitate with NaOH which dissolves in excess NaOH. With aqueous ammonia, the solution of M also gives a white precipitate which dissolves in excess ammonia Therefore the cation in M is
- A. Zn
- B. Ca
- C. Al
- D. Pb