Q.1 |
According to Dalton which element is indicated by this symbol? ![]() |
a) |
Carbon |
b) | Hydrogen |
c) | Sulphur |
d) | Copper |
Q.2 |
Fill in the blnk: The brain, spinal cord, nerves are ________tissue. |
a) |
fibric |
b) | smooth |
c) | nervous |
d) | none of this |
Q.3 |
Dry ice means – |
a) | solid CO |
b) | solid SO2 |
c) | solid water |
d) | solid CO2 |
Q.4 |
A car covers the first half of the distance between two places at a speed of 40 kmh−1 and the second half at 60 kmh−1. Find the average speed of the car: |
a) |
100 kmh−1 |
b) | 50 kmh−1 |
c) | 48 kmh−1 |
d) | 52 kmh−1 |
Q.5 |
Who is known as the father of 'nuclear physics'? |
a) | E. Rutherford |
b) | J.J. thomson |
c) | Neils Bohr |
d) | None of this |
Q.6 |
What is the maximum number of electrons that can be accommodated in the 4th energy level? |
a) |
32 |
b) | 18 |
c) | 2 |
d) | 8 |
Q.7 |
A particle shows a value of 46 ms-1. What can it be? |
a) |
Force of the particle |
b) | The velocity of the particle |
c) | Acceleration of the particle |
d) | The momentum of the particle |
Q.8 |
What is the atomic mass(u) of chlorine? |
a) | 34 |
b) | 34.5 |
c) | 35 |
d) | 35.5 |
Q.9 |
How many hydrogen isotopes are there? |
a) | 0 |
b) | 1 |
c) | 2 |
d) | 3 |
Q.10 |
Rocket works on the principle of conservation of: |
a) | mass |
b) | energy |
c) | momentum |
d) | velocity |
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Answers to Sample Questions from Olympiad Success:
Q.1 : b | Q.2 : c | Q.3 : d | Q.4 : c | Q.5 : a | Q.6 : a | Q.7 : b | Q.8 : d | Q.9 : d | Q.10 : c