Acid, Base and Salts MCQ question and answer with solution

41

The useful element in photography is

A) Silver Nitrate B) Silver Bromide C) Sulphuric Acid D) Citric Acid

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

42

Tartaric acid is not found in

A) tamarind B) grapes C) unripe mangoes D) spinach

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

43

Which of the following solutions is alkaline?

A) [H⁺] < 1 × 10^-7 Mol/l B) [H⁺] = 1 × 10^-4 Mol/l C) [H⁺] > 1 × 10^-7 Mol/l D) [H⁺] = 1 × 10^-7 Mol/l

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

44

Which one of the following statements is not true/false?
1. An acid that is completely ionized with ions produces large amounts of H⁺ ions. for example HCl, H2SO₄, HNO₃
2. A weak acid that is partially ionized in water produces small amounts of H⁺ ions. for example - CH₃COOH, H₂CO₃, H₂SO₃

A) Only 2 is correct B) Both 1 and 2 are correct C) Both 1 and 2 are incorrect D) Only 1 is correct

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

45

Which of the following gases in the atmosphere is/are responsible for acid rains?
1. Oxides of sulphur
2. Oxides of nitrogen
3. Oxides of carbon
Select the correct answer:

A) 1 and 2 B) 1 and 3 C) Only 2 D) 1, 2 and 3

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

46

When the pH value increases from 7 to 14, it shows that-

A) Decrease in H⁺ concentration B) Increase in OH^- concentration C) Increase in H⁺ concentration D) Decrease in OH^- concentration

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

47

Carboxylic acid group can be detected by

A) Sodium bisulphite test B) Fehling's solution test C) Tollen's reagent D) NaHCO₃

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

48

pH value shows the numeric value of

A) quality of chemical used for developing photographic negatives B) analysing the nature of solution acidic or basic C) analysing the intensity of an earthquake D) analysing for checking purity of milk

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

49

The pH of . . . . . . . . cannot be detected by direct use of pH paper . . . . . . . .

A) ink B) water C) juice D) solid sodium bicarbonate

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

50

As a dehydrating agent to convert ethanol to ethane . . . . . . . . is used.

A) nickel B) sunlight C) concentrated sulphuric acid D) heat

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Acid, Base and Salts MCQ question and answer with solution | Chemistry Gk MCQs