krit.club logo

Chemistry

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Periodic Properties and variations of Properties

Subtopic

Periodic Properties and variations of Properties under Chemistry for Grade 10 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If an element XX belongs to Group 1 and Period 3, its atomic number is:

    A.

    3

    B.

    11

    C.

    19

    D.

    1

  2. 2.

    The most metallic element in Period 2 is:

    A.

    Lithium

    B.

    Beryllium

    C.

    Boron

    D.

    Fluorine

  3. 3.

    Which halogen is a liquid at room temperature?

    A.

    Fluorine

    B.

    Chlorine

    C.

    Bromine

    D.

    Iodine

Download the worksheet for Chemistry - Periodic Properties and variations of Properties to practice offline. It includes additional chapter-level practice questions.

Chemical Bonding

Subtopic

Chemical Bonding under Chemistry for Grade 10 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Atoms combine with each other to:

    A.

    Increase their energy

    B.

    Decrease their stability

    C.

    Achieve a stable noble gas configuration

    D.

    Become radioactive

  2. 2.

    What is the total number of electrons shared in a molecule of Oxygen (O2O_{2})?

    A.

    2

    B.

    4

    C.

    6

    D.

    8

  3. 3.

    Which of the following is a characteristic of ionic compounds?

    A.

    Low boiling points

    B.

    Exist as discrete molecules

    C.

    High boiling points

    D.

    Do not conduct electricity in molten state

Download the worksheet for Chemistry - Chemical Bonding to practice offline. It includes additional chapter-level practice questions.

Acids, Bases and Salts

Subtopic

Acids, Bases and Salts under Chemistry for Grade 10 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Identify the pH value of a solution that turns phenolphthalein pink.

    A.

    2

    B.

    5

    C.

    7

    D.

    9

  2. 2.

    Which substance is used as a drying agent in the laboratory for drying HClHCl gas?

    A.

    Quick lime

    B.

    Concentrated sulphuric acid

    C.

    Phosphorus pentoxide

    D.

    Anhydrous calcium chloride

  3. 3.

    The salt formed by the partial replacement of the replaceable hydrogen atoms of an acid is called:

    A.

    Normal salt

    B.

    Mixed salt

    C.

    Acid salt

    D.

    Double salt

Download the worksheet for Chemistry - Acids, Bases and Salts to practice offline. It includes additional chapter-level practice questions.

Analytical Chemistry

Subtopic

Analytical Chemistry under Chemistry for Grade 10 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Sodium hydroxide is often called:

    A.

    Caustic potash

    B.

    Caustic soda

    C.

    Washing soda

    D.

    Baking soda

  2. 2.

    A student test a salt solution with sodium hydroxide and gets a white precipitate. On adding excess sodium hydroxide, the precipitate dissolves. The salt solution could contain:

    A.

    Calcium ions

    B.

    Zinc ions

    C.

    Ferrous ions

    D.

    Copper ions

  3. 3.

    Which of the following ions forms a reddish-brown precipitate with sodium hydroxide?

    A.

    Fe2+Fe^{2+}

    B.

    Fe3+Fe^{3+}

    C.

    Cu2+Cu^{2+}

    D.

    Zn2+Zn^{2+}

Download the worksheet for Chemistry - Analytical Chemistry to practice offline. It includes additional chapter-level practice questions.

Mole Concept and Stoichiometry

Subtopic

Mole Concept and Stoichiometry under Chemistry for Grade 10 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following contains the Avogadro number of particles?

    A.

    1 gram of Hydrogen atoms

    B.

    1 gram of Oxygen atoms

    C.

    1 gram of Carbon atoms

    D.

    1 gram of Nitrogen atoms

  2. 2.

    The Relative Molecular Mass of Carbon Dioxide (CO2CO_2) is: (Atomic masses: C=12,O=16C=12, O=16)

    A.

    28

    B.

    44

    C.

    32

    D.

    56

  3. 3.

    Which of the following is the correct formula for percentage of an element in a compound?

    A.

    (Total mass of element / RMM) ×\times 100

    B.

    (RMM / Total mass of element) ×\times 100

    C.

    (Total mass of element / VD) ×\times 100

    D.

    (VD / RMM) ×\times 100

Download the worksheet for Chemistry - Mole Concept and Stoichiometry to practice offline. It includes additional chapter-level practice questions.

Electrolysis

Subtopic

Electrolysis under Chemistry for Grade 10 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Identify the component of an electrolytic cell from the diagram logic provided:

    A.

    A is Anode, B is Cathode

    B.

    A is Cathode, B is Anode

    C.

    A is Electrolyte, B is Battery

    D.

    A is Anion, B is Cation

  2. 2.

    Which of the following statements about electrodes is CORRECT?

    A.

    Anions migrate to the cathode

    B.

    Reduction occurs at the anode

    C.

    Oxidation occurs at the anode

    D.

    Cations migrate to the positive electrode

  3. 3.

    What is the charge on a cation?

    A.

    Negative

    B.

    Positive

    C.

    Neutral

    D.

    Variable

Download the worksheet for Chemistry - Electrolysis to practice offline. It includes additional chapter-level practice questions.

Metallurgy

Subtopic

Metallurgy under Chemistry for Grade 10 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    During the electrolysis of Alumina, the gas liberated at the graphite anodes is:

    A.

    Hydrogen

    B.

    Oxygen

    C.

    Nitrogen

    D.

    Chlorine

  2. 2.

    In the Hall-Heroult cell, the electrolyte consists of molten Alumina dissolved in:

    A.

    Water

    B.

    Cryolite and Fluorspar

    C.

    Alcohol

    D.

    Dilute acid

  3. 3.

    The bond formed between a metal and oxygen in a typical metal oxide is usually:

    A.

    Covalent

    B.

    Ionic

    C.

    Coordinate

    D.

    Metallic

Download the worksheet for Chemistry - Metallurgy to practice offline. It includes additional chapter-level practice questions.

Study of Compounds (HCl, Ammonia, Nitric Acid, Sulphuric Acid)

Subtopic

Study of Compounds (HCl, Ammonia, Nitric Acid, Sulphuric Acid) under Chemistry for Grade 10 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Nessler's reagent is used to detect very small amounts of Ammonia. What is the color of the precipitate formed?

    A.

    Blue

    B.

    White

    C.

    Brown

    D.

    Green

  2. 2.

    Which gas is evolved when dilute Nitric acid reacts with Copper metal?

    A.

    Nitrogen dioxide

    B.

    Nitric oxide

    C.

    Nitrous oxide

    D.

    Hydrogen

  3. 3.

    Hydrochloric acid is prepared by dissolving HClHCl gas in water using a special funnel arrangement. Why is this arrangement used?

    A.

    To prevent back-suction of water

    B.

    To increase the speed of the gas

    C.

    To dry the gas

    D.

    To make the solution concentrated

Download the worksheet for Chemistry - Study of Compounds (HCl, Ammonia, Nitric Acid, Sulphuric Acid) to practice offline. It includes additional chapter-level practice questions.

Organic Chemistry

Subtopic

Organic Chemistry under Chemistry for Grade 10 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which organic acid is the main constituent of vinegar?

    A.

    Methanoic acid

    B.

    Ethanoic acid

    C.

    Propanoic acid

    D.

    Citric acid

  2. 2.

    What is the physical state of Methane at room temperature?

    A.

    Gas

    B.

    Liquid

    C.

    Solid

    D.

    Plasma

  3. 3.

    The common name for Methanal is:

    A.

    Acetaldehyde

    B.

    Acetone

    C.

    Acetic acid

    D.

    Formaldehyde

Download the worksheet for Chemistry - Organic Chemistry to practice offline. It includes additional chapter-level practice questions.

Chemistry - ICSE Class 10 Science Notes & Revision | Krit.club