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gtnhenbr [62]
3 years ago
12

If two substances travel up the chromatography paper this implies that

Chemistry
1 answer:
Colt1911 [192]3 years ago
6 0

Answer:

They are seperating

Explanation:

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When placed in a freezer, liquid water turns into solid ice. Why is this considered a physical change?
RSB [31]
This is considered a physical change because the water does not change its chemical properties - it is still water. It is simply just moving its shape such as gas form, liquid form, or solid form. 
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4 years ago
Read 2 more answers
Pls help
Kamila [148]

Answer:

in the water, plants and small organisms like plankton take up mercury through passive surface absorption or through food intake. ... Methylmercury biomagnifies through the food chain as predators eat other organisms and absorb the contaminants that their food sources contained.

Explanation:n the water, plants and small organisms like plankton take up mercury through passive surface absorption or through food intake. ... Methylmercury biomagnifies through the food chain as predators eat other organisms and absorb the contaminants that their food sources contained.

4 0
3 years ago
Pls help! no explanation needed
NNADVOKAT [17]

Answer:

Option 3.

LiOH(aq) + HNO₃(aq) —> LiNO₃(aq) + H₂O(l)

Explanation:

To know which option is correct, we must have an ideal of what is acid–base neutralization.

Neutralization is a reaction involving an acid and a base which produces salt and water only.

With the above information, we can easily detect the equation describing acid-base neutralization reaction by considering the products of each reaction to see the one that has water as part of the products.

From the question given above, only the 3rd equation gas water as part of the products i.e

LiOH(aq) + HNO₃(aq) —> LiNO₃(aq) + H₂O(l)

Hence, equation 3 is an acid-base neutralization reaction

4 0
4 years ago
When you breath in, oxygen passes through the walls of the ______________(tiny sac-like structures) and into the blood.
kifflom [539]

Answer:

alveoli

Explanation:

6 0
3 years ago
True or false: Observing a physical property of a substance will change the substances' identity I NEEED HELLLPPPPP NOOOWWWW !!!
andrew11 [14]

Answer:

false

Explanation:

a physical property can be observed and stay the same but a chemical property can't

8 0
4 years ago
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