2 years ago

4. What is the role of the benedict solution in testing for presence of carbohydrates

1 answer:

3 0

Answer:

it identifies reducing sugars (monosaccharide's and some disaccharides), which have free ketone or aldehyde functional group

Explanation:

It turns from turquoise to yellow or orange when it reacts with reducing sugars.

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An airplane flies with an average speed of 600 km/hr. How much time will it take to travel 1950 km?

saul85 [17]

Time = distance ÷ speed

Time = 1950 ÷ 600

Time = 3.25 hours ( 3 hours 15 minutes )

7 0

3 years ago

The spot on the fault where the pressure first releases is called the

anyanavicka [17]

Answer:

This movement releases energy and generates seismic waves that can be recorded by specialized instruments used by scientists. The point on a fault at which the first movement or break occurs during an earthquake is called the earthquake's hypocenter

Explanation:

6 0

3 years ago

Barium reacts with a polyatomic ion to form a compound with the formula Ba(X). What would be the formula for a salt formed betwe

Luba_88 [7]

Answer:

$Na_2(X)$

Explanation:

Common ionic charge exhibited by Barium is +2.

Compound formed by Barium and polyatomic ion (X) is Ba(X).

Therefore, ionic charge on polyatomic (X) should be -2 in order to Ba(X) to be neutral.

Common ionic charge exhibited by sodium is +1.

If sodium forms salts with (X), Then, two atoms of sodium will be needed in order to make it neutral. in compounds or salts, no. of atoms are represented as subscripts. Therefore, formula of salts betweem sodium and polyatomic ion should be $Na_2X$