What is produced by the process of electrolysis?
A) energy
B) hydrogen and oxygen
C) pure drinking water
D) photovoltaic power
Answer: B
You might also like to view...
If you toss a ball straight upward at 40 m/s with no air resistance, one second before it reaches the top of its path its speed is
A) zero. B) 10 m/s. C) 20 m/s. D) 30 m/s E) 40 m/s.
A very thin horizontal, 2.00-m long, 5.00-kg uniform beam that lies along the east-west direction is acted on by two forces
At the east end of the beam, a 200-N force pushes downward. At the west end of the beam, a 200-N force pushes upward. What is the angular acceleration of the beam? A) 240 rad/s2 north B) 1.33 × 102 rad/s2 north C) zero D) 240 rad/s2 south E) 1.33 × 102 rad/s2 south
A camera has a lens of focal length 50 mm and an f-number of 4.0 . What is the diameter of the lens?
a. 50 mm c. 25 mm b. 100 mm d. 13 mm
How might we tell whether the Universe is open or closed?
What will be an ideal response?