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হোম›নবম-দশম শ্রেণি›English Version›Science›C-06 — Polymer›C-06-Q122

C-06-Q122mediummulti_combo_mcq

Consider the following about plastic: Which of the following is correct?

Plastic is insoluble in water
Thermoplastics soften on heating
Thermosetting plastics can be moulded many times

ai and ii
bi and iii
cii and iii
di, ii and iii

Kপূর্ববর্তী

122/143

Jপরবর্তী

এই অধ্যায়ের আরও প্রশ্ন

C-06-Q123Majority of plastics and synthetic rubbers are—
C-06-Q124Accumulation of waste plastic and rubber in city sewerage lines causes—
C-06-Q125If plastic and rubber waste enters river or lakes, it reduces—
C-06-Q126Accumulated plastic from animal flesh and fish entering human body may cause—
C-06-Q127The best way to protect environment from plastic and rubber pollution is to—
C-06-Q128What type of fiber requires heckling?
C-06-Q129The characteristics of the fiber shown on the right figure is— Which of the following is correct?
C-06-Q130From the diagram (1000-1200 atmospheric pressure, catalyst, n(Ethylene) →), what will be produced in Fig. B?
C-06-Q131Which of the following fibers is similar to the product in Fig. B (polythene)?
C-06-Q132What are non-cellulosic fibers?

C-06 — Polymer — সব প্রশ্ন দেখুন (143টি) →