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Answers
16. In which Direction does Frictional Force act when a body moves on the surface of another body?
Answer : B) In the Direction Opposite to Motion
17. Find the Odd force among the following
Answer : A) Frictional Force
18. Which of the following statements about acrylic is wrong?
Answer : C) Acrylic is more Expensive than Natural wool
19. The Major Elements found in Human Body with the Percentages :
Answer : B) Oxygen - 65% and Carbon - 18% and Hydrogen - 10%
20. The Following is not the effect of sound pollution
Answer : D) Loss of eye sight
21. The velocity if propagation of sound in ascending order is
Answer : B) Air < Liquid < Solid
22. Intensity of sound can be measured in
Answer : D) Decibel
23. Most Metals react with dilute acids to liberate Hydrogen gas. Which metal among the following does not?
Answer : D) Copper
24. Which is the correct statement regarding blending
Answer : C) Unique and different textures can be created through blending
25. The Fish swim easily in water because by
Answer : B) Streamlined shape
26. The Non-metal which is in solid state at room temperature
Answer : D) Iodine
27. Velocity of Sound in Vaccum
Answer : A) 0 meter/sec
28. Hypothesis : The shoe's grave is to provide better grip on the floor
Reason : Friction is caused by the irregularities on the two surface those are in contact
Answer : A) Hypothesis is correct. Reason is correct explanation of hypothesis
29. A car toy is dropped on four inclined planes made up of with different materials. On which inclined plane the car travels more distance
Answer : C) Marble surface