Acids Bases and Salts Test

Result

Acids Bases and Salts Test - 6

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Weekly Quiz Competition

Question 1
1 / -0

A basic solution could have a pH of

A
1

B
11

C
7

D
2
Question 2
1 / -0

Which of the following gives the correct increasing order of acidic strength?

A
Water < Acetic acid < Hydrochloric acid

B
Water < Hydrochloric acid < Acetic acid

C
Acetic acid < Water < Hydrochloric acid

D
Hydrochloric acid < Water < Acetic acid
Question 3
1 / -0

Fruit juices, such as orange juice, contain

A
boric acid

B
citric acid

C
sulphuric acid

D
nitric acid
Question 4
1 / -0

Common salt, besides being used in kitchen, can also be used as the raw material for making

(i) washing soda

(ii) bleaching powder

(iii) baking soda

(iv) slaked lime

A
(i) and (ii)

B
(i), (ii) and (iv)

C
(i) and (iii)

D
(i), (iii) and (iv)
Question 5
1 / -0

Which of the following salts does not contain water of crystallisation?

A
Blue vitriol

B
Baking soda

C
Washing soda

D
Gypsum
Question 6
1 / -0

A sample of soil is mixed with water and allowed to settle. The clear supernatant solution turns the pH paper yellowish-orange. Which of the following would change the colour of this pH paper to greenish-blue?

A
Lemon juice

B
Vinegar

C
Common salt

D
An antacid
Question 7
1 / -0

Which of the following solutions will turn phenolphthalein pink?

A
HCl(aq)

B
CO₂(aq)

C
KOH(aq)

D
H₂SO₄(aq)
Question 8
1 / -0

Identify the correct representation of reaction occurring during chlor-alkali process.

A
2NaCl(l) + 2H₂O(l) → 2NaOH(l) + Cl₂(g) + H₂(g)

B
2NaCl(aq) + 2H₂O(aq) → 2NaOH(aq) + Cl₂(g) + H₂(g)

C
2NaCl(aq) + 2H₂O(l) → 2NaOH(aq) + Cl₂(aq) + H₂(aq)

D
2NaCl (aq) + 2H₂O (l) → 2NaOH (aq) + Cl₂(g) + H₂(g)
Question 9
1 / -0

Which of the following statements is true for acids?

A
Bitter and change red litmus to blue

B
Sour and change red litmus to blue

C
Sour and change blue litmus to red

D
Bitter and change blue litmus to red

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Re-Attempt Weekly Quiz Competition

Acids Bases and Salts Test - 6

Result

Acids Bases and Salts Test - 6

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SHARING IS CARING

Question 1

1

11

7

2

Question 2

Water < Acetic acid < Hydrochloric acid

Water < Hydrochloric acid < Acetic acid

Acetic acid < Water < Hydrochloric acid

Hydrochloric acid < Water < Acetic acid

Question 3

boric acid

citric acid

sulphuric acid

nitric acid

Question 4

(i) and (ii)

(i), (ii) and (iv)

(i) and (iii)

(i), (iii) and (iv)

Question 5

Blue vitriol

Baking soda

Washing soda

Gypsum

Question 6

Lemon juice

Vinegar

Common salt

An antacid

Question 7

HCl(aq)

CO2(aq)

KOH(aq)

H2SO4(aq)

Question 8

2NaCl(l) + 2H2O(l) → 2NaOH(l) + Cl2(g) + H2(g)

2NaCl(aq) + 2H2O(aq) → 2NaOH(aq) + Cl2(g) + H2(g)

2NaCl(aq) + 2H2O(l) → 2NaOH(aq) + Cl2(aq) + H2(aq)

2NaCl (aq) + 2H2O (l) → 2NaOH (aq) + Cl2(g) + H2(g)

Question 9

Bitter and change red litmus to blue

Sour and change red litmus to blue

Sour and change blue litmus to red

Bitter and change blue litmus to red

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CO₂(aq)

H₂SO₄(aq)

2NaCl(l) + 2H₂O(l) → 2NaOH(l) + Cl₂(g) + H₂(g)

2NaCl(aq) + 2H₂O(aq) → 2NaOH(aq) + Cl₂(g) + H₂(g)

2NaCl(aq) + 2H₂O(l) → 2NaOH(aq) + Cl₂(aq) + H₂(aq)

2NaCl (aq) + 2H₂O (l) → 2NaOH (aq) + Cl₂(g) + H₂(g)