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Class 10 Exam  >  Class 10 Tests  >  Science Class 10  >  Test: Alcohols & Carboxylic Acids - Class 10 MCQ

Test: Alcohols & Carboxylic Acids - Class 10 MCQ


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10 Questions MCQ Test Science Class 10 - Test: Alcohols & Carboxylic Acids

Test: Alcohols & Carboxylic Acids for Class 10 2024 is part of Science Class 10 preparation. The Test: Alcohols & Carboxylic Acids questions and answers have been prepared according to the Class 10 exam syllabus.The Test: Alcohols & Carboxylic Acids MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Alcohols & Carboxylic Acids below.
Solutions of Test: Alcohols & Carboxylic Acids questions in English are available as part of our Science Class 10 for Class 10 & Test: Alcohols & Carboxylic Acids solutions in Hindi for Science Class 10 course. Download more important topics, notes, lectures and mock test series for Class 10 Exam by signing up for free. Attempt Test: Alcohols & Carboxylic Acids | 10 questions in 10 minutes | Mock test for Class 10 preparation | Free important questions MCQ to study Science Class 10 for Class 10 Exam | Download free PDF with solutions
Test: Alcohols & Carboxylic Acids - Question 1
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Aldehydes give carboxylic acids on:

Detailed Solution for Test: Alcohols & Carboxylic Acids - Question 1

When an aldehyde is oxidized the product that results is a Carboxylic acid. 

Test: Alcohols & Carboxylic Acids - Question 2
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From where can we get ethanol?

Detailed Solution for Test: Alcohols & Carboxylic Acids - Question 2

Sugarcane contains (C12H22O11) which on fermentation gives ethanol by the microbial action of invertase and zymase : --

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Test: Alcohols & Carboxylic Acids - Question 3
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Which gas is released when ethyl alcohol reacts with sodium?

Detailed Solution for Test: Alcohols & Carboxylic Acids - Question 3

Hydrogen gas is released.

Test: Alcohols & Carboxylic Acids - Question 4
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In conversion from ethanol to ethene, concentrated sulphuric acid is used as:
Detailed Solution for Test: Alcohols & Carboxylic Acids - Question 4

Sulphuric acid is used as a dehydrating agent because sulphuric acid has a great affinity for water. It readily removes elements of water from other compounds i.e, it acts as a dehydrating agent, it being a hygroscopic substance absorbs water from other substances without dissolving in it, so it is considered a good drying agent.

Test: Alcohols & Carboxylic Acids - Question 5
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IUPAC name of CH3COOH is:
Detailed Solution for Test: Alcohols & Carboxylic Acids - Question 5

Acetic acid, systematically named ethanoic acid, is a colourless liquid organic compound with the chemical formula 
CH3COOH .

Test: Alcohols & Carboxylic Acids - Question 6
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Carboxylic acids are:
Detailed Solution for Test: Alcohols & Carboxylic Acids - Question 6

Carboxylic acid is a weak acid as it undergoes partial or incomplete dissociation in water.

Test: Alcohols & Carboxylic Acids - Question 7
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In the reaction, identify the reactant X.
CH3COOH + X  CH3COOC2H5 + H2O
Ethanoic
acid
Detailed Solution for Test: Alcohols & Carboxylic Acids - Question 7

This is an esterification reaction in which a sweet smelling compound ester is formed.

Test: Alcohols & Carboxylic Acids - Question 8
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The alkaline hydrolysis of oils and fats is called:
Detailed Solution for Test: Alcohols & Carboxylic Acids - Question 8

The alkaline hydrolysis of oils and fats is called saponification. The estrr, on treating with a base such as NAOH  is converted back to alcohol and sodium salt of Carboxylic acid. The reaction is known as saponification.

Test: Alcohols & Carboxylic Acids - Question 9
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The common name of ethanoic acid is:
Detailed Solution for Test: Alcohols & Carboxylic Acids - Question 9

The common name of ethanoic acid is acetic acid.

Test: Alcohols & Carboxylic Acids - Question 10
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Which of the following will give a pleasant smell of ester when heated with ethyl alcohol and a small quantity of sulphuric acid?​
Detailed Solution for Test: Alcohols & Carboxylic Acids - Question 10

Ethanoic acid reacts with ethanol in the presence of concentrated sulphuric acid as a catalyst to produce the ester, ethyl ethanoate.

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