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Class 10 Exam  >  Class 10 Tests  >  Test: Introduction to Acids & Bases - Class 10 MCQ

Test: Introduction to Acids & Bases - Class 10 MCQ


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20 Questions MCQ Test - Test: Introduction to Acids & Bases

Test: Introduction to Acids & Bases for Class 10 2024 is part of Class 10 preparation. The Test: Introduction to Acids & Bases questions and answers have been prepared according to the Class 10 exam syllabus.The Test: Introduction to Acids & Bases MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Introduction to Acids & Bases below.
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Test: Introduction to Acids & Bases - Question 1
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How do acids typically react with metals?

Detailed Solution for Test: Introduction to Acids & Bases - Question 1
Acids react with metals to form salt and release hydrogen gas. This reaction is a displacement reaction where the metal displaces hydrogen from the acid, resulting in the formation of salt and the release of hydrogen gas.
Test: Introduction to Acids & Bases - Question 2
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How do acids interact with metal carbonates and metal hydrogencarbonates?

Detailed Solution for Test: Introduction to Acids & Bases - Question 2
Acids react with metal carbonates and metal hydrogencarbonates to produce salt, carbon dioxide, and water. This reaction is characterized by the formation of these products when acids come in contact with these compounds.
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Test: Introduction to Acids & Bases - Question 3
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What happens when excess carbon dioxide is passed through lime water?

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Test: Introduction to Acids & Bases - Question 4
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What is the general outcome when bases react with metals?
Detailed Solution for Test: Introduction to Acids & Bases - Question 4
In general, bases do not react with metals and release hydrogen gas. The metal must be more reactive than the metals present in the base for a reaction to take place.
Test: Introduction to Acids & Bases - Question 5
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What is the result of a neutralization reaction between a strong acid and a strong base?
Detailed Solution for Test: Introduction to Acids & Bases - Question 5
When a strong acid reacts with a strong base in a neutralization reaction, the result is a neutral salt and water. This reaction signifies the completion of the neutralization process where the acidic and basic properties neutralize each other, forming a salt and water.
Test: Introduction to Acids & Bases - Question 6
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In a reaction between a weak acid and a weak base, what type of salt is typically formed?
Detailed Solution for Test: Introduction to Acids & Bases - Question 6

A salt formed between a weak acid and a weak base can be neutral, acidic, or basic depending on the relative strengths of the acid and base. If Ka(cation) > Kb(anion) the solution of the salt is acidic. If Ka(cation) = Kb(anion) the solution of the salt is neutral.

Test: Introduction to Acids & Bases - Question 7
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When a strong acid reacts with a weak base, what is the nature of the resulting solution?
Detailed Solution for Test: Introduction to Acids & Bases - Question 7
If a strong acid reacts with a weak base, the resulting solution tends to be acidic. This outcome is due to the dominance of the acidic properties in the reaction. The strength of the acid influences the pH of the solution after the reaction.
Test: Introduction to Acids & Bases - Question 8
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When a metallic oxide reacts with an acid, what is typically produced?
Detailed Solution for Test: Introduction to Acids & Bases - Question 8
When a metallic oxide reacts with an acid, it typically produces salt and water. This reaction is a common type of chemical reaction where the oxide reacts with the acid to form a salt and water as the products. This process is essential in understanding the chemical properties of oxides and their reactions with acids.
Test: Introduction to Acids & Bases - Question 9
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What determines the pH of the solution after a neutralization reaction between an acid and a base?
Detailed Solution for Test: Introduction to Acids & Bases - Question 9
The pH of the solution following a neutralization reaction is primarily determined by the strength of the acid and base utilized in the reaction. If a strong acid reacts with a weak base, the resulting solution will be acidic, whereas a strong base reacting with a weak acid will lead to a basic solution. This relationship between acid and base strengths influences the pH of the solution post-reaction.
Test: Introduction to Acids & Bases - Question 10
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Metallic oxides are           in nature 
Detailed Solution for Test: Introduction to Acids & Bases - Question 10

Metallic oxides are basic in nature,

Test: Introduction to Acids & Bases - Question 11
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When a non-metallic oxide reacts with a base, what is typically formed?
Detailed Solution for Test: Introduction to Acids & Bases - Question 11
When a non-metallic oxide reacts with a base, the general outcome is the formation of salt and water. This reaction is crucial in understanding the properties of non-metallic oxides and their behavior when they come into contact with bases. It illustrates the acidic nature of non-metallic oxides and their reactions.
Test: Introduction to Acids & Bases - Question 12
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What is the general chemical equation for the reaction between an acid and a metal hydrogen carbonate?
Detailed Solution for Test: Introduction to Acids & Bases - Question 12
The general chemical equation for the reaction between an acid and a metal hydrogen carbonate involves the formation of salt, water, and carbon dioxide. This reaction is characteristic of how acids interact with metal hydrogen carbonates to produce these specific products. Understanding such reactions is fundamental in studying the properties of acids and their behavior in chemical reactions.
Test: Introduction to Acids & Bases - Question 13
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What property do acids and bases share that allows them to conduct electricity when dissolved in water?
Detailed Solution for Test: Introduction to Acids & Bases - Question 13
Acids and bases can both be classified as electrolytes, which is a property they share that enables them to conduct electricity when dissolved in water. This ability is due to the presence of charged particles (ions) in their aqueous solutions, allowing for the flow of electric current.
Test: Introduction to Acids & Bases - Question 14
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In a neutralization reaction between an acid and a base, what are the products formed?
Detailed Solution for Test: Introduction to Acids & Bases - Question 14

In a neutralization reaction between an acid and a base, the products formed are salt and water. This reaction involves the combination of hydrogen ions from the acid and hydroxide ions from the base to form water, along with a salt as a product.

Test: Introduction to Acids & Bases - Question 15
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What happens to acids when dissolved in water in terms of the ions they produce?
Detailed Solution for Test: Introduction to Acids & Bases - Question 15
When acids are dissolved in water, they release hydrogen ions (H⁺) into the solution. These hydrogen ions are responsible for the characteristic properties of acids, such as their sour taste and ability to conduct electricity.
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How is the strength of an acid or base determined based on its behavior in water?
Detailed Solution for Test: Introduction to Acids & Bases - Question 16
The strength of an acid or base is determined by the concentration of hydrogen ions (H⁺) or hydroxide ions (OH⁻) it produces when dissolved in water. Strong acids or bases dissociate almost completely in water, releasing a higher concentration of these ions compared to weak acids or bases. This behavior in water helps in categorizing acids and bases based on their strength.
Test: Introduction to Acids & Bases - Question 17
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What defines a concentrated acid solution?
Detailed Solution for Test: Introduction to Acids & Bases - Question 17
A concentrated acid solution is characterized by a high solute concentration. This means that there is a relatively large amount of acid dissolved in the solution compared to the amount of water present. Concentrated acids are often used in various chemical processes due to their high acid content, which can lead to more rapid reactions compared to dilute acid solutions.
Test: Introduction to Acids & Bases - Question 18
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What distinguishes strong acids from weak acids?
Detailed Solution for Test: Introduction to Acids & Bases - Question 18

The key difference between strong acids and weak acids lies in their degree of dissociation in water. Strong acids dissociate completely or almost completely in water, resulting in a higher concentration of hydrogen ions. On the other hand, weak acids only partially dissociate, leading to a lower concentration of hydrogen ions compared to strong acids. This difference in dissociation behavior is what distinguishes strong acids from weak acids.

Test: Introduction to Acids & Bases - Question 19
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Which color does an acid turn blue litmus paper?
Detailed Solution for Test: Introduction to Acids & Bases - Question 19
An acid turns blue litmus paper red. This is a classic test to distinguish between acids and bases. When blue litmus paper is dipped in an acidic solution, it changes its color to red. This color change is a result of the acidic properties of the solution, indicating the presence of hydrogen ions characteristic of acids.
Test: Introduction to Acids & Bases - Question 20
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What taste is commonly associated with acids?
Detailed Solution for Test: Introduction to Acids & Bases - Question 20
Acids are typically characterized by a sour taste. This taste is one of the key identifying features of acids. For example, substances like vinegar (acetic acid) and lemon juice (citric acid) are known for their sour taste. Sourness is a fundamental property of acids that helps in their identification and classification.
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