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HSC Science (Computer Science) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions for Chemistry

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Chemistry
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Explain the solubility of gases in liquids.

[2] Solutions
Chapter: [2] Solutions
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Write Stephen reaction for the preparation of aldehyde.

[12.01] Aldehydes and Ketones
Chapter: [12.01] Aldehydes and Ketones
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Write Stephen reaction for the preparation of aldehyde.

[12] Aldehydes, Ketones and Carboxylic Acids
Chapter: [12] Aldehydes, Ketones and Carboxylic Acids
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What is an electrochemical cell? What does it consist of?

[5] Electrochemistry
Chapter: [5] Electrochemistry
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What are electrochemical reactions?

[5] Electrochemistry
Chapter: [5] Electrochemistry
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How butanone is prepared from alcohol?

[12] Aldehydes, Ketones and Carboxylic Acids
Chapter: [12] Aldehydes, Ketones and Carboxylic Acids
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How butanone is prepared from alcohol?

[12.01] Aldehydes and Ketones
Chapter: [12.01] Aldehydes and Ketones
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Explain the use of different transition metals as catalysts.

[8.01] D-block Elements
Chapter: [8.01] D-block Elements
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Write reactio between Cl2 and water.

[7.03] Group 17 Elements
Chapter: [7.03] Group 17 Elements
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Name the elements that show anomalous behaviour in group 16 and 17.

[7] Elements of Groups 16, 17 and 18
Chapter: [7] Elements of Groups 16, 17 and 18
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Maltose is ______.

[14.01] Carbohydrates
Chapter: [14.01] Carbohydrates
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The solubility of N2 gas in water at 25° C and 1 bar is 6.85 × 10−4 mol L−1. Calculate KH (Henry’s law constant).

[2] Solutions
Chapter: [2] Solutions
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Explain the types of electrochemical cells.

[5] Electrochemistry
Chapter: [5] Electrochemistry
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How are the following compound obtained by hydration of alkenes?

Ethyl alcohol

[12.01] Aldehydes and Ketones
Chapter: [12.01] Aldehydes and Ketones
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How are the following compound obtained by hydration of alkenes?

Ethyl alcohol

[12] Aldehydes, Ketones and Carboxylic Acids
Chapter: [12] Aldehydes, Ketones and Carboxylic Acids
Concept: undefined >> undefined

How are the following compound obtained by hydration of alkenes?

Isopropyl alcohol

[12] Aldehydes, Ketones and Carboxylic Acids
Chapter: [12] Aldehydes, Ketones and Carboxylic Acids
Concept: undefined >> undefined

How are the following compound obtained by hydration of alkenes?

Isopropyl alcohol

[12.01] Aldehydes and Ketones
Chapter: [12.01] Aldehydes and Ketones
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How are the following compound obtained by hydration of alkenes?

tert-butyl alcohol

[12.01] Aldehydes and Ketones
Chapter: [12.01] Aldehydes and Ketones
Concept: undefined >> undefined

How are the following compound obtained by hydration of alkenes?

tert-butyl alcohol

[12] Aldehydes, Ketones and Carboxylic Acids
Chapter: [12] Aldehydes, Ketones and Carboxylic Acids
Concept: undefined >> undefined

Explain the reaction of 1° and 2° alcohol with oxidising agent chromic anhydride (CrO3).

[11] Alcohols, Phenols and Ethers
Chapter: [11] Alcohols, Phenols and Ethers
Concept: undefined >> undefined
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