2 years ago

Explain why the scientist should carry out further tests on this colouring found in the drink?

2 answers:

7 0

The solvent gives extra energy to pull up the sample and the sample will also dissolve in the solvent. That's why as precautionary measure start line should stay above the solvent in chromatography.

katrin2010 [14]2 years ago

4 0

if the scientist finds anything that does not match, they have to carry out further tests

it can guide the consumer's judgement purchase decision on too gently on what the believe the product may contain.

You might be interested in

Which of these is NOT a property of a wave?

aleksley [76]

Sadly some information is missing

7 0

2 years ago

Part B Change the distance of the electron from the center position as it moves up and down. What relationship do you notice bet

Mrrafil [7]

Answer:

The movement of the electron changes the amplitude of the wave. The farther the electron moves from the center position, the greater the amplitude.

Explanation:

5 0

2 years ago

Read 2 more answers

Fill in the flowing information for the element uranium

UkoKoshka [18]

Answer:

Period: 7

Family: actinides

Group: Actinide

Explanation:

6 0

3 years ago

Read 2 more answers

Which of these is a base ? a.vinegar b.NaOH c.HNO3 d.HCI

sergey [27]

Answer:

B. NaOH

Explanation:

6 0

3 years ago

Read 2 more answers

Calculate the pH of lemon juice to three significant figures, with a hydrogen ion concentration of

Airida [17]

Answer:

pH = - log [2.12 x 10^-3]

what is the log of 2.22 x 10^-3]

Take the opposite of that,

That is the pH, now, just make certain you use the correct significant figures.

Explanation:

3 0

3 years ago