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Harrizon [31]
3 years ago
15

What is starch test?​

Chemistry
2 answers:
erik [133]3 years ago
8 0
Did you try and ask your teacher
Fed [463]3 years ago
4 0

Answer:

The starch test also known as the iodine test is used to test for the presence of starch.

Sorry if this isn’t detailed enough. You can go on google/wikipedia and find much more detail if necessary. ^-^

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Federico has two samples of pure water—sample X and sample Y. Sample X has a volume of 1 L, and sample Y has a volume of 10 L. H
Lostsunrise [7]

Answer:

The boiling point of sample X and sample Y are exactly the same.

Explanation:

The difference between sample X and sample Y is that they occupy different volumes. However, they both contain pure water. Remember that pure water has uniform composition irrespective of its volume.

Volume does not affect the boiling point as long as the volume is small enough not to give rise to significant pressure changes in the liquid.

The boiling point of a liquid is the temperature at which the pressure exerted by the surroundings upon a liquid is equaled by the pressure exerted by the vapour of the liquid; under this condition, addition of heat results in the transformation of the liquid into its vapour without raising the temperature.

It can be clearly seen from the above that the volume of a solution of pure water does not affect its boiling point hence sample X and sample Y will have the same boiling point.

8 0
3 years ago
In the previous problem, which are the limiting reactants for each reaction? Based on this, calculate the maximum yield of oxyge
juin [17]

please show the previous problem


4 0
3 years ago
How many oxygen molecules are required for glycolysis
morpeh [17]

Answer:

0

Explanation:

glycolysis requires no oxygen

6 0
2 years ago
Read 2 more answers
How many sig figs in each?<br> -27.43<br> -1.90<br> -101
GarryVolchara [31]
1. Has 4 sig figs, all non zeros are significant
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5 0
2 years ago
identify each material as a compound or a mixture. Caffeine contains hydrogen, carbon, nitrogen, and oxygen atoms in a fixed rat
vitfil [10]
Answer: caffeine is a compound.

Explanation:

1) As stated c<span>affeine contains hydrogen, carbon, nitrogen, and oxygen atoms in a fixed ratio.

2) The definition of compound is a pure substance formed by chemical bonding of two or more fifferent elements. That means a defined ratio of the elements in the compound, which conferes uniform and equal properties to every part of the compound.

Some examples of compounds are salt (NaCl), water (H2O), vinegard (CH3 COOH).

A mixture combines several elements or compounds, not bonded by chemical bonds but mixed in ratios which may vary.
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3 years ago
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