Which of the following is the hardest substance?
A. Copper
B. Diamond
C. Iron
D. Silicon
Everyday Science Mcqs · Easy · 1 month ago
Question Bank
Everyday Science Mcqs
In eye donation, which one of the following parts of donor’s eye is utilized ?
A. Iris
B. Lens
C. Cornea
D. Retina
Everyday Science Mcqs · Easy · 1 month ago
who invented bulb?
A. Philips
B. Robert
C. Edison
D. Willium
Everyday Science Mcqs · Easy · 1 month ago
Magnifying power of a simple microscope can be increased by ?
A. increasing focal length of the lens
B. Decreasing focal length of the lens
C. Lens of large aperture
D. lens of short aperture
E. None of these
Everyday Science Mcqs · Easy · 1 month ago
Permanent hardness of water can be removed by adding __________?
A. Chlorine
B. Washing soda
C. Bleaching powder
D. None of these
Everyday Science Mcqs · Easy · 1 month ago
Mercury is the closest planet to the Sun, but Venus is hotter than Mercury because of its_________?
A. Pressure
B. axis
C. atmosphere
D. surface
Everyday Science Mcqs · Easy · 1 month ago
Permissible noise level at Residential area during night time is:
A. 45 dB
B. 55 dB
C. 75 dB
D. 80 dB
Everyday Science Mcqs · Easy · 1 month ago
1 Coulomb = ___________ e.
A. 6×10-19
B. 6.25×1018
C. 1.6×1019
D. 6.25×10-18
Everyday Science Mcqs · Easy · 1 month ago
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