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Helga [31]
3 years ago
10

Select the correct answer.

Chemistry
1 answer:
yanalaym [24]3 years ago
5 0

Answer:

B. CdSO4(aq) + K2S(aq) → CdS(s) + K2SO4(aq)

Explanation:

A precipitate reaction is when a solid forms, so in this case CdS is the precipitate.

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Classify the following statements as observation, inference, prediction, measuring or classifying
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Answer:

ggghy I am a great and the other hand the wildcats their own is the name of the

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Identify the variables in the investigation: An investigation was done with an electromagnetic system made from a battery and wi
kondaur [170]

Answer:

Independent: sizes of nails

Dependent: number of paper clips

Controlled: Battery, wire and type of nails

Explanation:

An independent variable is a variable which when changes does not the effect the results of the experiment. It does not depends upon the dependent variable.

A dependent variable is defined as a variable which is affected when the independent variable is changed by the researcher or the experimenter. It depends greatly upon the independent variable.

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In the context,

the independent variable are : sizes of nails

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the Controlled variables are: Battery, wire and type of nails

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katrin [286]

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the answer is D.)

Explanation:

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The element Oxygen, O, is an example of which of the following?
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