Question

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1.the disease rust in wheat crop is caused by_________.
2.the bacterium which can directly convert atmospheric nitrogen into nitrates is________.
3.__________is a polymer used for making non-stick cookware.
4.___________is a man-made fibre having silky texture.
5.all metal except __________ are solids under normal conditions.
6.metal form __________ oxides , whereas non-metals form__________ oxides.
7.the S.I unit of force is _______.

Answer 1

1) the disease rust in wheat crop is caused by wheat leaf rust 


2) the bacterium which can directly convert atmospheric nitrogen into nitrates is Nitrifying bacteria


3) PTFE (Polytetrafluoroethylene) is a polymer used for making non-stick cookware.


4) Rayon is a man-made fiber having silky texture.



5) all metal except mercury  are solids under normal conditions.



6) .metal form basic oxides , whereas non-metals form acidic oxides.



7)  the S.I unit of force is Newton 




hope it helped u :)

Answer 2

1 wheat leaf rust
2 Nitrifying bacteria
3 PTFE
4 Rayon
5 mercury and gallium
6 basic, acidic
7 Newton (N)