Acids, Bases And Salts Test

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Acids, Bases And Salts Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

An acidic solution contains a high concentration of ______.

A
H⁺ ions

B
OH^- ions

C
K⁺ ions

D
Na⁺ ions

Solution

In an acidic solution, the concentration of hydrogen ions is greater than the concentration of hydroxide ions.
Question 2
1 / -0

Which of the following acts as a proton acceptor?

A
HCl

B
H₂CO₃

C
H₂SO₄

D
Ca(OH)₂
Question 3
1 / -0

Which of the following acts as a hydroxide ion donor?

A
Acetic acid

B
Phosphoric acid

C
Sulphuric acid

D
Ammonium hydroxide
Question 4
1 / -0

KOH can be classified as ______.

A
strong acid

B
weak acid

C
strong base

D
weak base
Question 5
1 / -0

Arrhenius bases are ______.

A
H⁺ ion donors

B
H⁺ ion acceptors

C
OH^- ion donors

D
OH^- ion acceptors
Question 6
1 / -0

According to the Arrhenius theory of acids and bases, CH₃COOH is an acid. Hence, it is a/an

A
H⁺ ion donor

B
H⁺ ion acceptor

C
OH^- ion donor

D
OH^- ion acceptor

Solution

According to the Arrhenius theory of acids and bases, an acid is a substance that furnishes H⁺ ions in its aqueous solution. Hence, acetic acid (CH₃COOH) is a proton (H⁺ ion) donor.
Question 7
1 / -0

Which of the following statements is correct about electrolytes?

A
A strong electrolyte dissociates partially in dilute solution to give ions.

B
A weak electrolyte is a poor conductor of electricity.

C
Sodium chloride can conduct electricity in solid state.

D
Pure water is a very good conductor of electricity.
Question 8
1 / -0

The acidity of soil can be controlled by the addition of ______.

A
CaO

B
NaOH

C
KOH

D
Mg(OH)₂
Question 9
1 / -0

An indicator which contains a mixture of alcoholic solution of various indicators is an example of ______.

A
acidic indicator

B
basic indicator

C
neutral indicator

D
universal indicator
Question 10
1 / -0

Which of the following colours is indicated by Phenolphthalein indicator?

A
Red

B
Blue

C
Colorless

D
Pink

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Acids, Bases And Salts Test - 2

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Acids, Bases And Salts Test - 2

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SHARING IS CARING

Question 1

H+ ions

OH- ions

K+ ions

Na+ ions

Solution

Question 2

HCl

H2CO3

H2SO4

Ca(OH)2

Question 3

Acetic acid

Phosphoric acid

Sulphuric acid

Ammonium hydroxide

Question 4

strong acid

weak acid

strong base

weak base

Question 5

H+ ion donors

H+ ion acceptors

OH- ion donors

OH- ion acceptors

Question 6

H+ ion donor

H+ ion acceptor

OH- ion donor

OH- ion acceptor

Solution

Question 7

A strong electrolyte dissociates partially in dilute solution to give ions.

A weak electrolyte is a poor conductor of electricity.

Sodium chloride can conduct electricity in solid state.

Pure water is a very good conductor of electricity.

Question 8

CaO

NaOH

KOH

Mg(OH)2

Question 9

acidic indicator

basic indicator

neutral indicator

universal indicator

Question 10

Red

Blue

Colorless

Pink

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H⁺ ions

OH^- ions

K⁺ ions

Na⁺ ions

H₂CO₃

H₂SO₄

Ca(OH)₂

H⁺ ion donors

H⁺ ion acceptors

OH^- ion donors

OH^- ion acceptors

H⁺ ion donor

H⁺ ion acceptor

OH^- ion donor

OH^- ion acceptor

Mg(OH)₂