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podryga [215]
3 years ago
9

What are chemical contaminants?

Chemistry
1 answer:
AleksandrR [38]3 years ago
8 0

Answer:

Homemade soaps

Restaurant grade cleaners

Alcohol.

Explanation:

The two options are a mixture of more than one chemical constituents.

Soap is made from saponification reaction of of hydrocarbons and then mixed with other ingredients for better usability, and cleaning agent have one or more substances dissolved in another.

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When two forces acting on an object are equal, they are
TEA [102]
The answer is balanced forces
7 0
3 years ago
A. Synthesis.
Irina-Kira [14]

Answer:

Double replacement

Explanation:

The given reaction is double replacement reaction.

CaCO₃ + 2HCl  → CaCl₂ + H₂CO₃

Double replacement:

It is the reaction in which two compound exchange their ions and form new compounds.

AB + CD → AC +BD

while,

Synthesis reaction:

It is the reaction in which two or more simple substance react to give one or more complex product.

Decomposition:

It is the reaction in which one reactant is break down into two or more product.

AB → A + B

Single replacement:

It is the reaction in which one elements replace the other element in compound.

AB + C → AC + B

7 0
3 years ago
when carbon dioxide is bubbled through lime water the solution first turn milky and to colour less . Explain why these changes o
Annette [7]

Answer:

When excess of carbon dioxide is passed in lime water, calcium carbonate is converted to calcium bicarbonate which is soluble, hence the milkiness due to calcium carbonate disappears.

Explanation:

Ca(OH)2+CO2 → CaCO3 (Milkiness) ↓+H2O

CaCO3+H2O+CO2 → Ca(HCO3)2 (soluble)

5 0
3 years ago
What is the name of a solution whose concentration of solute is equal to the maximum concentration that is predicted from the so
Alona [7]
Normally, you would call this a saturated solution.<span />
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Increasing the concentration of reactants generally increases the rate of a reaction because particles
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This increases the rate of rxn because the particles, because according to the Collision Theory, <span>the </span>rate of rxn <span>is proportional to number of effective collisions between the </span>reactant <span>molecules.</span>
4 0
3 years ago
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