How many grams of sodium metal are needed to react with 10.0 g of water?
Anonymous Quiz
37%
12.88 g
33%
113.2 g
25%
56.8 g
5%
41.63 g
Given matrixA with 3 × 4 size, matrix B with 4 × 6 size and matrix C with 6 × 3 size. Then which of the following is multiplication of matrices impossible?
Anonymous Quiz
18%
AB
32%
BC
40%
AC
11%
CA
What is the direction of flow of electrons in an electrolytic cell?
Anonymous Quiz
31%
Anode to cathode internally
24%
Cathode to anode externally
20%
Cathode to the anode in the solution
25%
Anode to cathode externally
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By the end of this month we__________ our frist final exam.
Anonymous Quiz
23%
will complete
22%
will be completed
40%
will have completed
15%
will have been completed
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She often ________ English language.
A. speak
B. speaking
C. speaks
D. spoke
Write your answer under the comment! 🙏
A. speak
B. speaking
C. speaks
D. spoke
Write your answer under the comment! 🙏
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A car with a mass of 400 kg is traveling at a velocity of 20 m/s. What is the kinetic energy of the car?
Anonymous Quiz
38%
80KJ
4%
60KJ
42%
8000J
17%
20KJ
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An older model car accelerates from rest to speed v in 10 seconds. A newer, more powerful car accelerates from rest to 2v in the same time period. What is the ratio of the power of the newer
car to that of the older car?
car to that of the older car?
Anonymous Quiz
30%
2:1
26%
4:1
25%
8:1
19%
1:2
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The electric motor of a model train accelerates the train from rest to 0.620 m/s in 21.0cs. The total mass of the train is 875 g. What is the average power delivered to the train during the acceleration?
Anonymous Quiz
12%
8 W
38%
0.008 W
26%
0.08 W
24%
0. 8 W
Who discovered the word atoms at the frist time?
Anonymous Quiz
20%
John Dalton
17%
Aristotle
61%
Democritus
2%
J.J. Thomson
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The charge of electron was determined by using the oil drop experiment. It was determined by:
Anonymous Quiz
60%
Robert Millikan
24%
J.J. Thomson
10%
Ernest Rutherford
6%
James Chadwick
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Which one of the following radioactive radiation consists of high-energy rays?
Anonymous Quiz
14%
Alpha rays
3%
Beta rays
80%
Gamma rays
2%
Beta particles
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In Niels Bohr's model of the atom, electrons are said to occupy specific energy levels or orbits around the nucleus. What is the primary feature of these orbits?
Anonymous Quiz
24%
Electrons can exist anywhere around the nucleus.
59%
Electrons can only occupy certain allowed energy levels.
8%
Electrons are stationary and do not move.
9%
Electrons can only be found in the nucleus.
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What is the electron configuration for magnesium(Mg) metal? Z = 12
Anonymous Quiz
6%
1s²2s²2p⁶3s¹
76%
1s²2s²2p⁶3s²
6%
1s²2s²2p⁵3s¹
12%
1s²2s²2p⁶3s²
👍5
If f(x) = x² - 3x + 1 then what is the value of f(0)?
A. 0
B. 1
C. 2
D. 3
Write your answer under the comment! 🙏
A. 0
B. 1
C. 2
D. 3
Write your answer under the comment! 🙏
❤5
Qubee exam book physics 2013(14).pdf
3.2 MB
Physics EUEE 2011_2013 with answer
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