Question

by
Exercis
1. Choose the most correct option.
A. A sample of pure water, whatever the
source always contains
mass of oxygen and 11.1% by mass of
hydrogen
a. 88.8 6.18 c. 80 d. 16
B. Which of the following compounds can
NOT demonstrate the law of multiple
proportions ?
a. NO, NO, b.CO.CO,
c. H.O. HO, d. Na S. NaF
C. Which of the following temperature
will read the same value on celsius and
Fahrenheit scales.
a. - 40°
b. + 40°
c. -80%
d.-20°
D. SI unit of the quantity electric current is
a. Volt
b. Ampere
c. Candela d Newton
E. In the reaction N. + 3H. + 2NH.
the ratio by volume of N, H and NH,
is 1:3:2 This illustrates the law of
a. definite proportion
b. reciprocal proportion
c. multiple proportion
d. gaseous volumes​

Answer 1

Answer:

a 88.8

d NaS,NaF

a -40°

b ampere

d gaseous volumes