Which of the following choices represents a solution with pH 11.7? a) 50mL of 0.005 M KOH solution
b) 100mL of 0.01 M KOH solution
c) 200mL of 0.01 M KOH solution
d) 400mL of 0.005 M Ca(OH)2 solution

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

What is the percentage composition of carbon in the compound ch4

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves