Friday
February 27, 2015

Homework Help: Grade 12 Chem - please check answer

Posted by Laura on Sunday, June 1, 2008 at 3:24pm.

The four possible unknown chemicals are: Cu(s), Ca(OH)2(s), KNO3(aq) and C6H12O6(aq).

a) colorless solutions, high electrical conductivity, no change on litmus paper
b)white crystals, no electrical conductivity, red to blue on litmus
c) shiny brown wire, high electrical conductivity, no change on litmus
d) colorless solution, low electrical conductivity, no change on litmus

I said:
a)C6H12O6(aq)
b)Ca(OH)2(s)
c)Cu(s)
d)KNO3(aq)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

science-chem - if i am given 2 pairs of aqueous solutions and I need to know ...
statistics - Here are 6 measurements of the electrical conductivity of a iron ...
Chemistry - I have a lab for chemistry that I have to turn in soon, and I have ...
Chemistry - I have a lab for chemistry that I have to turn in soon, and I have ...
Chemistry - An aqueous solution of HCl has a high electrical conductivity when ...
chem - Help with this one please? If you place a piece of blue litmus paper in ...
Physics - Electrical conductivity in liquid solutions depends on the presence of...
Chemistry - List the following compounds in order of increasing electrical ...
Science 8A Check Answers - Will someone please check my answers as I need lots ...
Chemistry - Why would HF have a lower electrical conductivity than NaCl?

Members