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natta225 [31]
3 years ago
12

Which type of mixture can be separated using a sieve?

Chemistry
1 answer:
DaniilM [7]3 years ago
5 0
FILTRATION When the substances in a mixture have different particle sizes, they are separated by filtration. The mixture is poured through a sieve or filter. The smaller particles slip through the holes, but the larger particles do not.p
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Time

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Freezing point of carbon dioxide a.meter b.liter c.kilogram d.kelvin
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The Freezing point is ALWAYS the same as the melting point,even for different elements. 6,422 is its melting,and freezing point. Same with gold,iron,hydrogen,and many others

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Why can't I find a cute Asian dude that dresses well?
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Write the complete balanced equation for the following reaction: Al + Fe(NO2)2 yields Fe + Al(NO2)3
hodyreva [135]
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7 0
3 years ago
1. Jack consumes two slices of pizza and drinks two large glasses of soda. Half an hour later, he complains of a stomachache. Wh
schepotkina [342]

Answer 1) Option D) Soda lowered the pH in his stomach and slowed digestive enzyme activity.


Explanation : Consuming soda after eating pizza lowered the pH of the stomach which consequently, slowed the digestive enzyme activity in the stomach. The enzymes actively digest the food only in highly acidic environment.


Answer 2) Option A) An inhibitor


Explanation : An inhibitor is a substance usually added to a progressing chemical reaction to decrease the rate of reaction and finally stop the reaction.


Answer 3) Option B) Presence of an enzyme


Explanation : When an enzyme is added to a chemical reaction it is often seen that it lowers the energy of activation and catalyzes the reaction. So, enzyme acts as a catalyst and increases the reaction rate.


Answer 4) Option A) The vitamins will bond to the enzymes and increase their reactivity with the substrates.


Explanation : When the biologists adds a vitamin solution to an enzyme or a substrate solution the bonding will take place between vitamins and enzymes and as a result it will increase the reactivity of the substrates.


Answer 5) Option C) The enzymes in the peaches have denatured.


Explanation : When enzymes are stewed or rather boiled they become denatured and the bonds between them breaks, which makes the enzyme useless. Hence, proteins should be eaten raw without boiling at higher temperatures.


Answer 6) Option A) The enzyme breaks the substrate apart to prepare for the reaction.


Explanation : In a catalytic reaction the enzymes usually break the substrate and create more surface area for the reaction to occur.

6 0
3 years ago
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