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

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Define terms: Fuel cell

Appears in 13 question papers
Chapter: [0.04] Electrochemistry
Concept: Batteries > Primary Batteries

Write the chemical equations involved in the following reactions:(i) Hoffmann-bromamide degradation reaction

Appears in 12 question papers
Chapter: [0.13] Amines
Concept: Amines > Preparation of Amines

Write the chemical equations involved in the following reactions:(i) Hoffmann-bromamide degradation reaction

Appears in 12 question papers
Chapter: [13.01] Amines
Concept: Amines > Preparation of Amines

Features of Monopolistic Competition.

Appears in 8 question papers
Chapter: [0.05] Forms of Market
Concept: Forms of Market

Features of Monopolistic Competition.

Appears in 8 question papers
Chapter: [1.05] Types of Market and Price Determination Under Perfect Competition
Concept: Forms of Market

State Ampere’s circuital law

Appears in 8 question papers
Chapter: [0.14] Magnetic Effects of Electric Current
Concept: Ampere’s Circuital Law

Give the applications of DNA fingerprinting technique.

Appears in 7 question papers
Chapter: [0.04] Molecular Basis of Inheritance
Concept: DNA Fingerprinting Technique

Explain the law of demand with its assumptions.

Appears in 7 question papers
Chapter: [0.031] Demand Analysis
Concept: Demand Curve and Its Slope

Explain the law of demand with its assumptions.

Appears in 7 question papers
Chapter: [1.03] Analysis of Demand and Elasticity of Demand
Concept: Demand Curve and Its Slope

Draw a diagram of the microscopic structure of human sperm. Label the following parts in it and write their functions

(a) Acrosome

(b) Nucleus

(c) Middle piece

Appears in 6 question papers
Chapter: [0.02] Reproduction in Lower and Higher Animals
Concept: Gametogenesis

The following data were obtained during the first order thermal decomposition of SO2Cl2 at a constant volume :

SO2Cl2 (g) → SO2 (g) + Cl2 (g)

Experiment Time/s–1 Total pressure/atm
1 0 0.4
2 100 0.7

Calculate the rate constant.

(Given : log 4 = 0.6021, log 2 = 0.3010)

Appears in 6 question papers
Chapter: [0.05] Chemical Kinetics
Concept: Factors Influencing Rate of a Reaction

Account for the following : Nitrogen does not form pentahalide.

Appears in 6 question papers
Chapter: [7.01] Group 15 Elements
Concept: p-Block elements of Group 15 Elements > Dinitrogen

Distinguish between the following.

Micro Economics and Macro Economics.

Appears in 6 question papers
Chapter: [2.01] Introduction to Macro Economics
Concept: Difference Between Mirco Economic and Macro Economic

Derive the mathematical expression for law of radioactive decay for a sample of a radioactive nucleus

Appears in 6 question papers
Chapter: [0.15] Structure of Atoms and Nuclei
Concept: Law of Radioactive Decay

Derive the mathematical expression for law of radioactive decay for a sample of a radioactive nucleus

Appears in 6 question papers
Chapter: [0.18] Atoms, Molecules and Nuclei
Concept: Law of Radioactive Decay

Describe the structure of a nucleosome.

Appears in 5 question papers
Chapter: [0.04] Molecular Basis of Inheritance
Concept: Packaging of DNA Helix

Explain the carbon cycle with the help of a simplified model.

Appears in 5 question papers
Chapter: [0.14] Ecosystems and Energy Flow
Concept: Nutrient Cycling

State Henry’s law.

Appears in 5 question papers
Chapter: [0.02] Solutions and Colligative Properties
Concept: Solubility > Solubility of a Gas in a Liquid

Explain the term Antiseptics

Appears in 5 question papers
Chapter: [16.01] Chemicals in Medicines
Concept: Drugs and Their Classification

Answer the following question.
Explain the secondary functions of money.

Appears in 5 question papers
Chapter: [2.04] Money
Concept: Function of Money - Secondary Functions
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