Acid, Bases and Salts Test

Result

Acid, Bases and Salts Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following equations correctly shows dissociation of acetic acid in water?

A
CH₃COOH + H₂O  CH₃CO- + H₂O

B
CH₃COOH + H₂O  H₃O+ + CH₃COO-

C
CH₃COOH + H₂O  CH₃COOH + OH^-

D
CH₃COOH + H₂O  CH₃COO^-+ OH^-
Question 2
1 / -0

Which of the following salts will produce dirty green precipitate when treated with sodium hydroxide solution?

A
NH₄Cl

B
NaCl

C
FeSO₄

D
ZnSO₄
Question 3
1 / -0

Which of the following statements is not correct about physical properties of acids?

A
Acids taste sour.

B
Mineral acids are corrosive in nature.

C
Acids are weak electrolytes.

D
Acids change the colour of indicators.
Question 4
1 / -0

Which of the following acids is weak and does not ionise completely?

A
HCl

B
H₂SO₄

C
HNO₃

D
CH₃COOH
Question 5
1 / -0

Which of the following acids is used in the preparation of white vitriol?

A
Nitric acid

B
Oxalic acid

C
Sulphuric acid

D
Hydrochloric acid
Question 6
1 / -0

Which of the following methods is used to prepare salt such as sodium bisulphate?

A
Direct combination

B
Simple displacement

C
Decomposition by acids

D
Neutralisation
Question 7
1 / -0

Molecule of which of the following acids will produce the highest number of hydronium ions?

A
Acetic acid

B
Sulphuric acid

C
Oxalic acid

D
Phosphoric acid
Question 8
1 / -0

Consider the following substances.
(a) Blue vitriol
(b) Plaster of Paris
(c) Potassium permanganate
(d) Sugar
Which of the given substances contain(s) water of crystallisaton?

A
(a) and (b)

B
(b) and (c)

C
(c) and (d)

D
(d) and (a)
Question 9
1 / -0

Which of the following expressions is true for a solution with pH less than 7?

A
[H⁺] = [OH^-]

B
[H⁺] > [OH^-]

C
[H⁺] < [OH^-]

D
[H⁺] = 0
Question 10
1 / -0

Which of the following methods of formation of salts involves decomposition by acids?

A
2Fe + 3Cl₂ ––> 2FeCl₃

B
Zn + H₂SO₄ ––> ZnSO₄ + H₂

C
NaHCO₃+ HCl ––>NaCl + H₂O + CO₂

D
2HCl + MgO ––> MgCl₂ + H₂O