Question

SUBJECT - SCIENCE
-
STD:- 6TH
UNIT SUBSTANCES IN DAILY USE
Q-1) in the blanks
al Rubber made by vulcanization is a
material
o Manmade material are made by
natural materials.
thread was developed simultaneously in New York and
di Rayon is also known as
-2) What are we used for?
Wood​

Answer 1

Answer:

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