A student places a piece of cucumber, a glass piece, a banana peel and

1.	A student places a piece of cucumber, a glass piece, a banana peel and a plastic pen in a pit and closes it. What changes can be observed in these materials after a month? Give scientific reason for these changes.
Answer» (i) Cucumber piece and banana peel are organic substances. (ii) They are biodegradable substances, and are eco-friendly. (iii) Glass piece and plastic pen are inorganic/synthetic substances. (iv) They are non-biodegradable substances and cause soil pollution.

A student places a piece of cucumber, a glass piece, a banana peel and a plastic pen in a pit and closes it. What changes can be observed in these materials after a month? Give scientific reason for these changes.

Answer»

(i) Cucumber piece and banana peel are organic substances.

(ii) They are biodegradable substances, and are eco-friendly.

(iii) Glass piece and plastic pen are inorganic/synthetic substances.

(iv) They are non-biodegradable substances and cause soil pollution.

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A student places a piece of cucumber, a glass piece, a banana peel and a plastic pen in a pit and closes it. What changes can be observed in these materials after a month? Give scientific reason for these changes.

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