Reactions of Acids and Bases

2. The solutions in the test tubes and the beakers are mixed as shown in the figure below. Which one of the following(s) is/are correct ?

I. There will be an acid-base reaction in container 1.

II. There will be chemical reactions in both containers.

III. There will be single displacement reaction in container 2. 

• Only I

• I and II

• I and III

• I, II, III

Answer the question given aside

• A

• B

• C

• D

• E

4. Which one of the following is an acidic oxide ?

• CO

• CO2

• MgO

• Na2O

Which one of the oxides will produce an alkaline solution when put in water ?

• NO

• NO2

• Na2O

• CO2

Which substance will be formed when Na2O is put in water ?

• NaHCO3

• NaOH

• HNO3

• Na

Which substance will be formed when N2O5 is dissolved in water ?

• HCl

• HNO3

• H2SO4

• NH3

Which salt will be formed when CO2 gas reacts with NaOH solution ?

• NaCl

• NaCO2

• Na2CO3

• NaCO3

Which salt will be formed when MgO reacts with H2SO4 solution ?

• MgS

• Mg2SO4

• MgSO4

• MgSO3

There are some bases that do not have OH- in their formulas. Which of the followings is an example for these bases ?

• HCl

• NH3

• NO2

• NO

Which ion is formed when ammonia, NH3 is put in water ?

• NH4+

• N3-

• NO3-

• NH2-