Kefahaman Kimia Tingkatan 4
Authored by MOHD. Moe
Chemistry
9th Grade
Used 1+ times
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38 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
A syringe contains 120 cm3 of ammonia, NH3 gas at room condition. How many number of ammonia molecules in this syringe?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
How many molecules in 16.8 g of nitrogen gas, N2?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
A mass of a sample of nitrogen gas, N2 is 0.56 g. What is the volume of this gas at STP?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
Calculate the mass of 120 cm3 oxygen gas, O2 at room condition.
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
A balloon containing 120 cm3 of hydrogen gas, H2 at room condition. How many hydrogen atoms in this balloon?
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
Calculate the mass of 560 cm3 oxygen gas, O2 at STP.
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
Diagram below shows a syringe containing 360 cm3 of oxygen gas, O2 at room condition. What is the mass of this oxygen gas, O2?
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