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raketka [301]
3 years ago
8

Soaps feel slippery on our hands because they dissolve the oil on our skin, decreasing friction.This is because soap contains

Chemistry
2 answers:
Burka [1]3 years ago
4 0
The best answer to this question is D.a base 
salantis [7]3 years ago
3 0

Answer:

The correct options is, a base.

Explanation:

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Students conduct a lab in which they neutralize an acid. Which of the following
Marina86 [1]

The missing group of choices is as follows:

A. disassemble the equipment.

B. wash their hands.

C. record their observations.

D. clean the lab tables.

Answer:

The correct answer is - B. washing their hands.

Explanation:

Neutralization of an acid involves the reaction of the acid with a strong or week base ( on the basis of acid strength) which leads to the production of salt and water in aqueous solution.

Washing hand acid could be more dangerous as the acid reacts violently with water, however, after the neutralization of acid, there should be normal safety measures which are before leaving the lab one should wash their hand as chemicals used might be toxic or cause harmful effect to an individual.

Thus, the correct answer is - B. washing their hands.

8 0
4 years ago
What is a decay series?
Ulleksa [173]

Answer:

a chain of decays that result in a stable nucleus

Explanation:

Decay series is a series of decay in which radioactive element is decomposed in different elements until it produces one stable atom.

5 0
3 years ago
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Which is a characteristic of mixtures?
pshichka [43]

Answer:

A major characteristic of mixtures is that the materials do not chemically combine

Explanation:

Mixtures can be divided into those that are evenly distributed (homogeneous) and those that aren't (heterogeneous)

8 0
3 years ago
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Slope is rise/run. Into this graph (mass vs volume), what does the slope represent?
umka2103 [35]

Answer:

mass/volume

Explanation:

The slope is rise over run, or y over x.  The mass is y on this graph, and the volume is x on this graph.  The slope represents mass over volume.

8 0
3 years ago
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Cobalt-60 positron emission
WITCHER [35]

Answer: Nothing

Explanation:

Cobalt-60 emits γ radiation and is used in many applications including cancer treatment: There is no change in mass number or atomic number during the emission of a γ ray unless the γ emission accompanies one of the other modes of decay.

4 0
3 years ago
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