Nt. But in the A
production of NaOH, the Cl2 produced
is a pollutant.
b) U
1
Question 6
With ,
extraction of gold from its ore.
b) State two uses of gold
c) Mention two properties that make gold
suitable for the uses stated in (b)
(Refer to notes)
Qu
In
ay
a
I
Answer
The gold
ore is concentrated
hy​

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

In 2002, the rare earth elements mine in mountain pass, california was closed because

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?