Subject :NSO Class : Class 9
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 3
Study the given classification table and identify objects P, Q and R.
P | Q | R | |
A | Jute bag | Safety pin | Woollen shawl |
B | Rubber band | Styrofoam cup | Sponge |
C | Ear bud | Newspaper | Glass cup |
D | Wooden plank | Toothbrush | Raincoat |
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 8
Identify the elements W, X, Y and Z from the given information.
W : Best conductor of electricity
X : Essential component of haemoglobin
Y : Hardest natural substance
Z : Source of energy in sun and stars
W | X | Y | Z | |
A | Aluminium | Iron | Gold | Hydrogen |
B | Silver | Iron | Diamond | Hydrogen |
C | Gold | Iodine | Zinc | Helium |
D | Copper | Mercury | Graphite | Helium |
Answer is B
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 9
The velocity-time graph shows the motion of a particle moving in a straight line. What may be deduced about the resultant force acting on the particle during the first 2 s and after 2 s?
First 2 s | After 2 s | |
A | Constant | Zero |
B | Increasing at a Constant rate | constant |
C | constant | Increasing at a constant rate |
D | Increasing at a Zero rate | constant |
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Subject :NSO Class : Class 8
Select the incorrect match.
Gas | Main components | |
---|---|---|
A | Coal gas | - Hydrogen + Methane |
B | Natural gas | - Methane |
C | Petroleum gas | - Methane + Propane |
D | Biogas | - Methane |