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3 years ago

Washing dishes in the dishwasher with detergent and hot water is a ________ process.

Chemistry

1 answer:

RideAnS [48]3 years ago

8 0

Answer:

Washing dishes in the dishwasher with detergent and hot water is a Disinfecting process.

Explanation:

There is a large number of micro-organisms present on the dishes which are yet to be washed. So when we wash them with detergent and hot water all the dishes get disinfected.

Disinfecting a dish makes it free from various germs present on it. When we disinfect a dish the germs or micro-organisms present are deactivated. This prevents their multiplication. Chemicals like Alcohol chlorine and hydrogen peroxide can be used as a disinfectant.

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How many electrons does the oxygen atom need to become stable?

NemiM [27]

Answer:

2 electrons

Explanation:

Oxygen has 6 valence electrons and to be stable it needs 8. That means it needs 2 more electrons to have a full octet.

4 0

2 years ago

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Antacids work to relieve stomach acids because of which of the following types of reactions?

Anastaziya [24]

Answer: The correct answer is Option B.

Explanation:

Decomposition is a type of chemical reaction in which larger compound breaks down into two or more smaller compounds.

$AB\rightarrow A+B$

Double displacement reactions is defined as the chemical reaction in which exchange of ions takes place.

$AB+CD\rightarrow AD+CB$

Synthesis reaction is a type of reaction in which two or more smaller compounds combines to form a single large compound.

$A+B\rightarrow AB$

Single displacement reaction is a type of reaction in which a more reactive metal displaces a less reactive metal from its chemical reaction.

$A+BC\rightarrow AC+B$

In stomach, an acid is present known as hydrochloric acid and to neutralize its effect, antacid is taken which has $CaCO_$ as a component.

The reaction between HCl and $CaCO_3$ is a type of neutralization reaction and it is a type of double displacement reaction.

The equation between the two follows:

$CaCO_3+HCl\rightarrow CaCl_2+H_2O+CO_2$

Hence, the correct answer is Option B.

4 0

3 years ago

Is nac1 (table salt) dissolve with water a chemical or physical change quizet?

tia_tia [17]

Physical. When you simply desolve something with water, to don't actually change it. This action can be undone.
An example of a chemical reaction is when the cells within completely change. You you burn wood, you can't go back in time and un-burn it. Does that make sense?

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3 years ago

Anybody can help? - 20 points

strojnjashka [21]

Answer:

I think its carbon because of all the chemicals being used in that air.

7 0

3 years ago

What is the value of the specific heat capacity of liquid water in j/mol·°c?

Scilla [17]

he specific heat capacity of liquid water is 4.186 J/gm K.

4 0

3 years ago

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