4 years ago

Which one of the following is a pure substance? 1.milk2. Concrete3. Wood 4. Salt water5. Elemental copper

1 answer:

5 0

Elemental copper would be a pure substance.

You might be interested in

oksian1 [2.3K]

Answer:

B) H2SO4 (aq) + Ca(OH)2 (aq) → CaSO4 (aq) + 2 H2O(l)

Explanation:

A is a reaction between a salt FeCl3 and a base KOH

C is a n acid decomposing on it's own to form two products

D is mercury, a metal reacting with oxygen. Two elements reacting. Neither are an acid or a base

E. is an acid reacting with a metal to liberate hydrogen. There is no base

3 0

3 years ago

gulaghasi [49]

FeSO₄(aq) + Pb(NO₃)₂(aq) → Fe(NO₃)₂(aq) + PbSO₄(s)

3 0

3 years ago

ella [17]

Answer:

hot, less, rise, top, cold, closer, more, sink

Explanation:

I'm in high-school done this long time ago

3 0

3 years ago

atroni [7]

Hey there!

The answer to this question would most likely be the 3rd choice, (option C)

Increasing the pressure on a gas decreases the volume

Good luck on your assignment and enjoy your day!

~ $LoveYourselfFirst:)$

7 0

3 years ago

enyata [817]

aquafaba is president of Ghana

3 0

3 years ago