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WorksheetsReactions of Acids and Bases
Total questions: 15
Worksheet time: 10mins
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-
Which one of the following reactions will produce a substance that will make limewater cloudy ?
Na(s) + HCl (aq)
NH3 (g) + HCl (aq)
Na2CO3(aq) + HNO3(aq)
Na2O(s) + HCl(aq)
Cu, Ag and Hg are semi-noble metals and they react with acids including (a)
When Ag metal reacts with concentrated HNO3 solution, (a) gas is released. (Write the formula of the gas)
Zn, Pb, Cr, Be, Sn, Al are (a) metals.
When Al reacts with acid or base, (a) gas is released. (write the name of the gas)
