SCICTIONAL
(A DICTIONARY OF SCIENCE WORDS USED IN YOUR
7. Which of these can you use as a substitute for glass in windows?
a. polythene
b. PVC
с. perspex
d. teflon
8. Which of these is not a property of plastics?
a. bad conductor of heat
b. bad conductor of electricity
c. inflammable
d. soluble in water
VERY SHORT-ANSWER QUESTIONS: Give one-word answers.
4. What name is given to natural materials that are used to manufacture human-mad
materials?
2. What is the most common source for synthetic fibres?
payoreen
Answers
Answered by
2
Answer:
7 ans (a)
8 ans (d)
Explanation:
please mark as brilliance
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