Chemical name of synthetic vinegar is.
a) Sodium chloride
b) Sodium acetate
c) Acetic Acid
d) None of these (more…)
Ultraviolet rays coming from sun are filtered by?
a) Carbon Dioxide
b) Ozone Layer
c) Helium
d) None of these (more…)
Memory loss due to brain injury is known as:
a) Amnesia
b) Paralysis
c) Schizophrenia
d) None of these (more…)
Who invented the internet?
a) Vinton Cerf and Bob Kahn
b) Wright Brothers
c) Larry Page and Sergey Brin
d) None of these (more…)
Who invented the light bulb in 1879?
a) Albert Einstein
b) Charles Babbage
c) Thomas Edison
d) Douglas Engelbart (more…)