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Everyday Science Essential MCQs Questions Paper with Answers

18. Lactometer is a type of Hydrometer which is used to measure the specific gravity of :

a) Honey
b) Water
c) Milk
d) olive oil
e) None of these

19. Cusec is a unit of :

a) Area
b) Time
c) Distance
d) mass
e) None of these

20. The deepest place on earth is :

a) Trench
b) Mariana Trench
C) Mangrove
d) Groove
e) None of these

21. Twinkling of stars is caused by :

a) Reflection of light
b) Polarization of light
c) refraction of light
d) Interference of light
e) None of these

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