Skip to content
p.paperbanao.
Continue

Punjab (PTB) · Quarter book test · Free

9th Class Chemistry 1st Quarter Book Paper

40 marks · 1 hour · 28 questions. Covers: 4 chapters (CHAP 1: States of Matter and Phase Changes to CHAP 4: Stoichometry).

Your school name

9th Class Chemistry 1st Quarter Book Paper

9th Class · Chemistry · Punjab (PTB)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 40Time: 1 hour

Q1. Multiple choice questions (Attempt all · 12 × 1 = 12)

  1. A mixture in which solute particles do not dissolve in the solvent is:

    1. Solution

    2. Surpension

    3. Colloidal

    4. All of these 

  2. Atomic mass of Sulphur is:

    1. 31.972 amu

    2. 31.92 g

    3. 31.92 kg

    4. All of these

  3. Nitrogen molecules contains:

    1. Polar covalent bond

    2. Single covalent bond

    3. Double covalent bond

    4. Triple covalent bond

  4. Calcium carries charge:

  5. Which one of the following is not a homogeneous mixture?

    1. Solution of salt

    2. Solution of sugar

    3. Milk

    4. Rock

  6. Relative atomic mass of krypton:

    1. 12.0

    2. 57.3

    3. 17.8

    4. 83.7

  7. Role of doner atom in coordinate covalent bond:

    1. Accept electrons

    2. Donate electrons

    3. Share electron

    4. Form complex ion 

  8. How many atomic mass units (amu) are there in one gram?

  9. Fourth state of matter is:

    1. Solid

    2. Liquid

    3. Gas

    4. Plasma

  10. Bohr's atomic model was proposed in:

    1. 1900

    2. 1903

    3. 1913

    4. 1813

  11. Covalent bond is most commonly found between the elements of group:

    1. 13 to 17

    2. 1 to 13

    3. 16 to 18

    4. 15 to 18

  12. The negative charged ions are called:

    1. Cation

    2. Anion

    3. Free radical

    4. None of these

Q2. Short questions (Attempt any 8 of 12 · 8 × 2 = 16)

  1. What is the structure of graphite.

  2. Write down the chemical formulas of the following compounds: Calcium phosphate, Aluminium nitride, Sodium acetate, Ammoniun carbonate and Bismuth sulphate.

  3. How variation of solubility at different temperatures can be useful for us? 

  4. Give an example of a radioactive isotope which disintegrates to give a stable atom. 

  5. Draw a structure of water molecules showing hydrogen bonding.

  6. Write 4 steps to write a chemical equation?

  7. What is the importance of graphene?

  8. How many atoms does our body replace every year?

  9. Describe the phenomenon of forming ionic bond between sodium chloride by equations?

  10. What are the significance of Avogadro's number?

  11. Define solution and give example.

  12. During discharge tube experiments, how did the scientists conclude that the same type of electrons and protons are present in all the elements?

Q3. Long questions (Attempt any 3 of 4 · 3 × 4 = 12)

  1. Which conditions must be fulfilled before writing a chemical equation for a reaction?

  2. Discuss formation of coordinate covalent bond with examples.

  3. What are saturated and unsaturated solutions? How they are formed. Explain your answer with examples.

  4. Write detailed note about atomic number and mass number.