Write Difference between following
a. Fertilizer and manure
b. Thermoplastic and thermosetting plastic
c. Metals and non metals
d. Communicable and non communicable disease
e. biodegradable and non biodegradable substance
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Answers
Answer:
fertilizer is chemical synthetic
manure is natural
metal are luster sonours ductile
non metal not luster not sonours not ductile
Answer:
a)Manure is an organic substance that is obtained from decomposition of vegetables and animal waste whereas Fertilizers are inorganic substances manufactured in factories.
b) Thermoplastics have secondary bonds between molecular chains and they have low melting point and low tensile strength whereas Thermosetting plastics have primary bonds between molecular chains and held together by strong cross-links. and they have high melting point and tensile strength.
c)Communicable diseases are the diseases which passes from one individual to another individual whereas Non-communicable diseases are the diseases which does not spread from one person to another person.
d)Substances which can be decomposed and broken down to simpler substances by micro-organisms acting on it is called bio-degradable whereas substances which cannot be acted upon by microorganisms and are not broken down into simpler substances are called non-biodegradable substances.
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