Chem – Chapter 1 + Chapter 2

SSC-I (9th) · Chemistry · Afaq Sun

Test your understanding of States of Matter and Phase Changes with 22 syllabus-aligned MCQs designed for SSC-I (9th) Afaq Sun students.

Use this short practice session to revise key concepts, identify weak areas, and prepare for your board examination.

Sample Questions

See what you’ll practice in this quiz.

Which branch of chemistry deals with the study of compounds of carbon?
Which state of matter has a definite shape and a definite volume?
The process in which a solid changes directly into a gas without passing through the liquid state is called:

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What You’ll Practice

Chapter 1: States of Matter and Phase Changes What is Chemistry?: Branches of Chemistry: Physical; Inorganic; Organic; Environmental; Analytical; Biochemistry; Nuclear; Polymer; Geochemistry (and others) | States of Matter: Solids; Liquids; Gases; Plasma and exotic states; Changes of state; Density, compressibility and fluidity | Element, Compound and Mixture: Definition of element; Definition of compound; Definition of mixture; Homogeneous and heterogeneous mixtures; Separation of mixtures | Allotropic Forms of Substances: Meaning of allotropy; Diamond; Graphite; Fullerenes; Allotropes of oxygen, phosphorus and sulphur | Differences between Elements, Compounds and Mixtures: Composition; Chemical combination; Fixed ratio; Separation by physical or chemical means; Properties and energy change | Solution, Colloidal Solutions and Suspension: Solutions; Colloids; Suspensions; Particle size; Tyndall effect; Examples | Formation of Unsaturated and Saturated Solutions: Unsaturated solution; Saturated solution; Supersaturated solution; Solubility | Effect of Temperature on the Solubility of Solutes: Solubility of solids and gases with temperature; Solubility curves; Interpreting saturated, unsaturated and supersaturated regions
Chapter 2: Atomic Structure Structure of Atom: Discovery of Electrons; Discovery of Proton; Discovery of Neutron; Discovery of Nucleus | Atomic Number and Mass Number: Atomic number (Z); Mass number (A); Protons, neutrons and electrons count; Atomic notation | Isotopes and their Masses: Meaning of isotopes; Isotopes of hydrogen, carbon and chlorine; Properties; Applications; Mass spectrometer | Relative Atomic Mass: Atomic mass unit; Carbon-12 standard; Weighted average of isotopes; Calculation of relative atomic mass

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SSC-I (9th) Chemistry Afaq Sun Series Chapter 1: States of Matter and Phase Changes

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Chem – Chapter 1 + Chapter 2

Chapter 1: Nature of Chemistry in Science

Chapter 2: Matter

Chapter 3: Atomic Structure

Chapter 4: Periodic Table and Periodicity of Properties

Chapter 5: Chemical Bonding

Chapter 6: Stoichiometery

Chapter 7: Electrochemistry

Chapter 8: Energetics

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