Acids, Bases And Salts Test

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Acids, Bases And Salts Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following will conduct electricity when dissolved in water?

A
O₂

B
CO₂

C
SiO₂

D
HNO₃
Question 2
1 / -0

The process of breaking of a solid ionic compound into its constituent ions is called ______.

A
hydration

B
acidification

C
dissociation

D
neutralization
Question 3
1 / -0

For a substance to behave as an electrolyte, it should produce which of the following species when dissolved in water?

A
H⁺ ion

B
OH^- ion

C
electrons

D
ions
Question 4
1 / -0

Which of the following will dissociate completely to give ions in a dilute solution?

A
NH₄Cl

B
Cu(OH)₂

C
CuSO₄

D
HCN
Question 5
1 / -0

Which of the following is not a good conductor of electricity?

A
NaOH

B
HNO₃

C
HCl

D
CH₃COOH

Solution

Water solutions of acetic acid (CH₃COOH) weakly conduct electrical current, indicating that it is a poor conductor of electricity. Rest all are strong electrolytes, thus are good conductors of electricity.
Question 6
1 / -0

Which of the following is the strongest base?

A
Sodium hydroxide

B
Ammonium hydroxide

C
Magnesium hydroxide

D
Calcium hydroxide

Solution

Sodium hydroxide is the strongest base because Na has larger size as compared to magnesium and calcium, and the lowest ionisation energy. Thus, it will lose its electron easily to give OH^- ions.
Question 7
1 / -0

The degree of dissociation of electrolyte increases with increase in ______.

A
concentration

B
volume

C
temperature

D
pressure
Question 8
1 / -0

Which of the following is the most acidic?

A
Lime-water

B
Blood

C
Soft drink

D
Eggs

Solution

Soft drink contains large amount of carbonic acid.
Question 9
1 / -0

Which of the following is the most basic?

A
Vinegar

B
Wine

C
Orange

D
Washing soda solution
Question 10
1 / -0

Which of the following is not true for nitric acid?

A
It is sour to taste.

B
It will change the color of blue litmus to red.

C
It will react with sulphuric acid and neutralize it.

D
It will give H⁺ ions in solution.

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Re-Attempt Weekly Quiz Competition

Acids, Bases And Salts Test - 1

Result

Acids, Bases And Salts Test - 1

Score

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Rank

-

SHARING IS CARING

Question 1

O2

CO2

SiO2

HNO3

Question 2

hydration

acidification

dissociation

neutralization

Question 3

H+ ion

OH- ion

electrons

ions

Question 4

NH4Cl

Cu(OH)2

CuSO4

HCN

Question 5

NaOH

HNO3

HCl

CH3COOH

Solution

Question 6

Sodium hydroxide

Ammonium hydroxide

Magnesium hydroxide

Calcium hydroxide

Solution

Question 7

concentration

volume

temperature

pressure

Question 8

Lime-water

Blood

Soft drink

Eggs

Solution

Question 9

Vinegar

Wine

Orange

Washing soda solution

Question 10

It is sour to taste.

It will change the color of blue litmus to red.

It will react with sulphuric acid and neutralize it.

It will give H+ ions in solution.

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O₂

CO₂

SiO₂

HNO₃

H⁺ ion

OH^- ion

NH₄Cl

Cu(OH)₂

CuSO₄

HNO₃

CH₃COOH

It will give H⁺ ions in solution.