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Lynna [10]
3 years ago
9

Procedure

Biology
1 answer:
kykrilka [37]3 years ago
3 0

Answer:

No.

Explanation:

No, the stone did not take the shape of the glass because stone is not a liquid, it is a solid. Taking the shape of the container in which it is placed is the property of liquid matter whereas the solid maintain its shape and structure when placed in any container. No, the stone did not change the shape and structure when it is placed in the pail due to its solid matter. The properties of matter are the following: It is composed of tightly packed particles which make the matter solid. It maintains its shape and its particles can't move freely like gas and liquid particles.

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Explanation:I hope it helps . i have breifly explained it .

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Which reactant is the source for oxygen gas and how is it released?

A .

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B .

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Green plants capture energy and convert it into chemical energy by the process known as photosynthesis. During photosynthesis, carbon dioxide and water are transformed into simple carbohydrates and oxygen is liberated into the atmosphere.

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Water is also used as a source of hydrogen required for reduction of carbon dioxide to form carbohydrate.

Water is oxidised in presence of light and chlorophyll. Hydrogen is removed from water and oxygen is released as follows:

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or,  

2‎H2O ----------------> 4H+ + 4e− + O2

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So, the correct answer is 'Water, released when sunlight splits it into oxygen and hydrogen ions'.

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