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WorksheetsACIDS AND BASES
Total questions: 10
Worksheet time: 6mins
PH scale of a neutral solution is...
10
5
7
3
Acids react with metals to liberate _________gas
CO2
H2
H2O
CO
Which of the following acid is a weak acid?
Hcl
H2SO4
HNO3
CH3COOH
We should never add water to acid because:
The reaction is endothermic.
The reaction is slow.
The reaction is exothermic.
The reaction doesn’t take place
Which type of reaction is this?
Base + Acid → Salt + Water
Addition reaction
Substitution reaction
Displacement reaction
Neutralization reaction
Lime water is
CaOH
Ca(OH)2
CaO
Co2
In the following chemical equation, which compound is the acid?
HCl + NH3 → NH4+ + Cl−
HCl
NH3
NH4+
Cl−
Which of the following is NOT a characteristic of an acid?
sour taste
corrodes metal
pH > 7
electrolyte
According to the diagram, which of the following best describes bleach?
Strong acid
Weak acid
Strong base
Weak base
Based on the picture and the equation beneath it, which of the following best describes chemical HA?
strong acid
weak acid
strong base
weak base
