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aleksandrvk [35]
4 years ago
15

Two unlabelled bottles containing clear, colourless liquids are found in the organic section of the chemical storage room. Descr

ibe the chemical test that could be conducted in order to determine whether the two substances are unsaturated or saturated.
Chemistry
1 answer:
Paul [167]4 years ago
6 0
<span>The very first step you should do is to bromine water to each of them. Then you can recognize </span>the unsaturated compound, because as you know it will  decolourize during adding bromine water, so we can make a conclusion that it will undergo as an addition reaction. Hope you will agree with me and fing this answer helpful for you. Regards!
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garri49 [273]

Answer:

i think it b

Explanation:

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3 0
3 years ago
Which of the following sentences represents a physical change? sugar dissolves in coffee iron rusts gasoline burns in an engine
MAXImum [283]

<u><em>Answer:</em></u>

  • Physical changes example is sugar dissolves in coffee
  • Chemical changes examples are iron rusts, gasoline burns in an engine and a candle burns.

Explanation.

  • Physical changes depend on only physical state, not on composition, which can be separated by physical means while chemical changes depend on composition and only separated by chemical ways.
  • As in case of iron rusting, gasoline and candle burn are cases chemical changes bcz they convert into another substance whose composition is different from other as compare to sugar which has same composition in coffee ,only state is changed from solid to liquid.

6 0
3 years ago
Read 2 more answers
PLEASE HELPP!
Arada [10]

Answer:

18.18 C

Explanation:

m=55

C=0.45

Q=450zj

ch.temp=?

Q=mct

450 = (55)(.45)T

450 = 24.75

/24.75 = /24.75 (cancels out)

18.18 is the answer

6 0
3 years ago
2. How will damage to the adrenal medulla affect the individual? Select the best prediction(s).
erastovalidia [21]

Answer:

F,A

Explanation:

3 0
3 years ago
Changes in the appearance of emission and absorption spectrums are caused by the activities of a. Protons b.electrons c.neutrons
bixtya [17]
Changes in the appearance of emission and absorption spectrums are caused by the activities of electrons.

When you transmit an amount of light on atoms, the state of the energy of electrons will become higher. Why? Because it is absorbing the light's energy. Not all wavelengths will be absorbed by the atoms, only selective.

I hope that the explanation is enough to prove that it is the correct answer. Have a nice day!
6 0
4 years ago
Read 2 more answers
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