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ira [324]
3 years ago
13

Why do scientists use a mortar and pestle?

Chemistry
1 answer:
postnew [5]3 years ago
6 0

Due to increase the surface area of a solute.

Hope this helps have a very good dayyyyyy.........

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mixture or pure substance: 1.blood 2.dyes 3.self-raising flour 4.muesli 5.copper wire 6.distilled water 7.table salt 8.milk 9.br
jenyasd209 [6]

Answer: Mixture: Blood , Self raising flour,muesli ,dyes, milk, tea, air, bronze

Pure substance: Copper wire, distilled water, table salt, oxygen.

Explanation:

Mixture is a substance which is made up two or more number of compounds which chemically inactive and retain their distinct chemical properties.

Blood , Self raising flour,muesli ,dyes, milk, tea, air, bronze

Pure substance is defined as anything with uniform and unchanging composition is known s pure substance.

Copper wire, distilled water, table salt, oxygen.

5 0
3 years ago
Which group contains elements that are most likely to have similar properties
Alika [10]
I believe it's alkali metals and alkaline earth metals.
5 0
3 years ago
Balance the Following Equations: SiCl4 + H2O = SiO2 + HCl
Dmitry [639]

Answer:

SiCl4 + H2O = SiO2 + HCl

Reactant. product

Si = 1 atom Si = 1 atom

Cl = 4 atom Cl = 1 atom

H = 2 atom H = 1 atom

O = 1 atom O = 2 atom

SiCl4. + 2H2o = SiO2 + 4hcl

Reactant. product

Si = 1 atom Si = 1 atom

Cl = 4 atom Cl = 4 atom

H = 4 atom H = 4 atom

O = 2 atom O = 2 atom

Balanced chemical equation.

4 0
3 years ago
What effects can occur when heat energy is added to a system? Select all that apply. a. increase in temperature
zalisa [80]
<span>a. increase in temperature 
</span><span>d. phase change

Hope this helps!</span>
7 0
3 years ago
Read 2 more answers
Some molecules in air contain .<br> Explain how atoms from the air can become part of human cells
Tcecarenko [31]

The atoms in air are combined with oxygen present in the air and when we inhale the air, oxygen is moved into the body then atoms in oxygen are carried by red blood cells the blood is pumped to the lungs and when oxygen is transported to the body organ, the atoms in lungs become the part of human cells.

5 0
3 years ago
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