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Percentage Composition

Quiz by Diana Aguilar

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

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5 questions
Show answers
  • Q1
    Calculate the percentage of Oxygen in Carbon Dioxide. C=12g, O=16g
    75.00%
    27.27%
    36.36%
    57.14%
    30s
  • Q2
    What is the percentage of hydrogen and oxygen in water?
    Hydrogen=11.11% and Oxygen= 88.89%
    Hydrogen=25% and Oxygen= 75%
    Hydrogen=50% and Oxygen= 50%
    Hydrogen=88.89% and Oxygen= 11.11%
    30s
  • Q3
    What is the percentage of Nitrogen in Aluminum Nitrate Al(NO3)3?
    19.72%
    12.67%
    22.22%
    67.61%
    30s
  • Q4
    What is the percentage of Oxygen in Aluminum Nitrate Al(NO3)3
    12.61%
    25.25%
    67.61%
    19.72
    30s
  • Q5
    What is the percentage of hydrogen in NH3, ammonia? N=14g, H=1g
    6.66%
    5.88%
    15.23%
    17.64%
    30s

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