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HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Important Questions

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How will you convert sodium acetate to methane?

Appears in 2 question papers
Chapter: [12.01] Aldehydes and Ketones
Concept: Aldehydes and Ketones >> Chemical Reactions of Aldehydes and Ketones - Nucleophilic Addition Reactions

Write chemical equation for the following :
Rosenmund reduction

Appears in 2 question papers
Chapter: [12.01] Aldehydes and Ketones
Concept: Preparation of Aldehydes and Ketones

Write the number of moles of ethanoyl chloride required for complete acylation of N, N-dimethylaniline.

Appears in 2 question papers
Chapter: [13] Amines
Concept: Classification of Amines

Distinguish between methanamine, dimethanamine and trimethanamine using Hinsberg’s reagent.

Appears in 2 question papers
Chapter: [13] Amines
Concept: Basicity of Amines

What will be the action of the mixture of sodium nitrite and dilute hydrochloric acid on ethyl amine

Appears in 2 question papers
Chapter: [13.01] Amines
Concept: Amines >> Chemical Reactions of Amines - Reaction with Nitrous Acid

What will be the action of the mixture of sodium nitrite and dilute hydrochloric acid on aniline

Appears in 2 question papers
Chapter: [13.01] Amines
Concept: Amines >> Chemical Reactions of Amines - Reaction with Nitrous Acid

Write the number of moles of ethanoyl chloride required for complete acylation of N, N-dimethylaniline.

Appears in 2 question papers
Chapter: [13.01] Amines
Concept: Classification of Amines

Complete the following reaction.

\[\ce{H2N - CH2 - COOH + H2N - CH2 - CH2 - COOH ->[-H2O] ?}\]

Appears in 2 question papers
Chapter: [14] Biomolecules
Concept: Biomolecules in the Cell > Proteins

Explain the preparation of glucose from sucrose.

Appears in 2 question papers
Chapter: [14] Biomolecules
Concept: Biomolecules in the Cell > Carbohydrates

Define peptide bond.

Appears in 2 question papers
Chapter: [14] Biomolecules
Concept: Biomolecules in the Cell > Proteins

Explain globular and fibrous proteins with example.

Appears in 2 question papers
Chapter: [14] Biomolecules
Concept: Biomolecules in the Cell > Proteins

Define carbohydrates.

Appears in 2 question papers
Chapter: [14] Biomolecules
Concept: Biomolecules in the Cell > Carbohydrates

Describe laboratory method for preparation of glucose.

Appears in 2 question papers
Chapter: [14.01] Carbohydrates
Concept: Biomolecules in the Cell > Carbohydrates >> Preparation of Glucose

How is glucose prepared from cane sugar (sucrose)?

Appears in 2 question papers
Chapter: [14.01] Carbohydrates
Concept: Biomolecules in the Cell > Carbohydrates >> Preparation of Glucose

How is glucose prepared from starch?

Appears in 2 question papers
Chapter: [14.01] Carbohydrates
Concept: Biomolecules in the Cell > Carbohydrates >> Preparation of Glucose

What is peptide linkage?

Appears in 2 question papers
Chapter: [14.02] Proteins
Concept: Biomolecules in the Cell > Proteins >> Structure of Proteins

What are hormones?

Appears in 2 question papers
Chapter: [14.02] Proteins
Concept: Biomolecules in the Cell > Proteins >> Structure, Classification and Functions

Mention 'two' functions of lipids

Appears in 2 question papers
Chapter: [14.02] Proteins
Concept: Biomolecules in the Cell > Proteins >> Structure, Classification and Functions

Write the structure of a nucleoside

Appears in 2 question papers
Chapter: [14.04] Nucleic Acids
Concept: Introduction of Nucleic Acids

Write the structure of a nucleotide

Appears in 2 question papers
Chapter: [14.04] Nucleic Acids
Concept: Introduction of Nucleic Acids
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