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Fourth Weekly Assessment in Science 9

Quiz by April Francisco

Grade 9
Science
Philippines Curriculum: Grades K-10 (MELC)

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20 questions
Show answers
  • Q1

    The the SI unit to express the amount of a substance is called?

    freetext://mole

    30s
    S9MT-IIi-19
  • Q2

    One mole is equivalent to 6.02x10^24

    boolean://false

    30s
    S9MT-IIi-19
  • Q3

    Find the molar mass of water?

    freetextm://58.44g/mol: 58.44

    freetextm://18.02g/mol: 18.02

    30s
    S9MT-IIi-19
  • Q4

    Find the molar mass of carbon dioxide?

    freetextm://44.01g/mol: 44.01

    30s
    S9MT-IIi-19
  • Q5

    Find the molar of sodium chloride NaCl.

    freetextm://58.44g/mol: 58.44

    30s
    S9MT-IIi-19
  • Q6

    Find the molar molar mass of calcium carbonate CaCO3 , if the atomic mass of Ca- 40.08g/mol, C- 12.01g/mol and O- 16.00g/mol.    

    freetextm://100.09g/mol: 100.09

    30s
    S9MT-IIi-19
  • Q7

    Find the molar mass of copper sulphate CuSO4.

    freetextm://159.62g/mol: 159.62

    30s
    S9MT-IIi-19
  • Q8

    Find the molar mass of sodium hydroxide NaOH.

    freetextm://40g/mol: 40

    30s
  • Q9

    Find the molar mass of ammonia NH3.

    freetextm://17.04g/mol: 17.04

    30s
    S9MT-IIi-19
  • Q10

    It is the percent by mass of each in a compound.

    freetext://percentage composition

    30s
    S9MT-IIj-20
  • Q11

    How many moles  are present in150.10g carbon dioxide (CO2) with a molar mass of 44.01g/mol?

    freetextm://3.41 moles: 3.41

    30s
    S9MT-IIi-19
  • Q12

    How many molecules are present in150.10g carbon dioxide (CO2) with a molar mass of 44.01g/mol?

    freetextm://2.05x1024: 2.05x1024particles/mol: 2.05x1024particles/mole: 2.05x10^24: 2.05x10^24particles/mol:2.05x10^24particles/mol

    30s
    S9MT-IIi-19
  • Q13

    Calculate the percentage composition of hydrogen in ammonium nitrate NH4NO4.

    freetextm://35%: 35

    30s
  • Q14

    Calculate the percentage composition of oxygen in ammonium nitrate NH4NO4.

    freetextm://59.96%: 59.96

    30s
    S9MT-IIj-20
  • Q15

    Calculate the percentage composition of sulfur in ammonium sulfate - (NH4)2SO4.

    freetextm://24.26%: 24.26

    30s
    S9MT-IIj-20

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