Question

True/false. -- 1. most of the plastics are biodegradable. 2. middle zone is the hottest zone of the flame.. MCQS 1. gas necessary for combustion is. a. microscope b. sulphur dioxide c. hydrogen ​

Answer 1

Answer:

1.False (non bio degradable)

2.False( outermost zone-blue or

colorless) in color)

3.none of these (Oxygen)

Explanation:

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Answer 2

Answer:

1. false

2.false

1.none