24 Questions
Which of the following statements is NOT true about subatomic particles?
Electrons have a positive charge
What is the significance of the number of significant figures in a measurement?
It indicates the precision of the measurement
What is the weight of 100 million atoms of gold, given its molar mass is 196.97 g/mol?
4 x 10^(-14) g
What volume is equal to 40 mL?
40 cm^3
In a reaction, 35.0 grams of C6H10 and 45.0 grams of O2 are involved. How many grams of the excess reagent will remain after the reaction ceases?
19.9 g
Miguel's grandfather will be six times as old as Miguel was last year in three years. If the sum of their present ages is 68, what is Miguel's grandfather's present age?
Between 58 and 61
What is the percentage abundance of 35Cl if the atomic mass of chlorine is 35.453?
74.3 %
How did Mendeleev arrange the elements?
atomic weight and chemical reactivity
What is the magnitude of the force exerted by support B?
1.5 kN
What is the force on the member CD?
318 lb (T)
What is the acceleration of the train?
- 4 m/s2
What is the velocity of the missile when it hits the ground?
150 m/s
If Liu completes the task alone in x minutes, how is x related to the time taken by the initial two workers?
x is three times the time taken by the initial two workers
What is the constraint for the rancher's rectangular region?
The perimeter of the region is fixed
What is the derivative of the function f(x) = 2x + x^2 at x = 3?
12
What is the value of a12 in the matrix A?
-2
What is the volume of the gas at STP, given that it occupies 2.00 L at 25.0°C and 745.0 mmHg?
1.9 L
What is the molality of ethanol in the solution, given that it is made by dissolving 14.6 g of ethanol in 53.6 g of water?
5.92 m
What is the direction of the friction force on the table by block A?
To the left
What can be said about the horizontal component of velocity of the ball?
It is constant through time
What is the maximum value of kinetic energy of the ball?
Just before it hits the floor
What is the resultant force acting on the parachute?
Zero
What is the time for which the force by the book on the bullet lasts?
around 0.020 s
What is the minimum force required to lift the stone door?
20,000 N
Test your knowledge of subatomic particles and physics fundamentals in this CIE mock exam. Questions cover topics such as protons, neutrons, electrons, and more. Review your understanding of atomic structure and properties. How well do you know the basics of physics?
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