Science, asked by nidhimehrotra674, 6 months ago

True or false :1. copper does not react with hydrochloric acid.
2. iodine is used in the preparation of fireworks and smoke screens.
3. hydrogen gas burns with pop sound.
4. nylon is widely used worldwide, next to cotton and polyester.

Answers

Answered by dahiyadeepanshu31

1

Answer:

1.true ,2.false,3.true,4.true

Answered by kckomalchauhan333

0

1 . false

2. true

3. true

4. true

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