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When the matchstick strikes against the ...

When the matchstick strikes against the rubbing surface, what happens to the red phosphorus?

A

It converts into white phosphorus.

B

It reacts with potassium chlorate.

C

It ignites antimony trisulphide.

D

No reaction takes place.

Text Solution

Verified by Experts

The correct Answer is:
A
Some red phosphorus is converted into white phosphorus which burns the matchstick.
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MTG IIT JEE FOUNDATION-COMBUSTION AND FLAME -EXERCISE (MULTIPLE CHOICE QUESTIONS) LEVEL 1
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  2. The hottest part of the Bunsen burner is

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  3. Read the following statements. 1. Water is the best extinguisher fo...

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  4. Flames of the mixture .......... are used for welding.

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  5. The formation of soot occurs when

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  6. The necessary conditions for combustion process to occur are 1. ava...

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  7. When you introduce a glass plate into the luminous zone of a candle fl...

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  8. Which of the following diagrams shows a non-luminous flame?

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  9. Students were carrying out an experiment in the laboratory, in which o...

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  10. What does this experiment show?

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  11. Which of the following is highly inflammable?

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  12. A spoon was kept in contact with ice cubes for some time. Later, the s...

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  13. When the matchstick strikes against the rubbing surface, what happens ...

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  14. Which statement best explains the spontaneous combustion?

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  15. State which of the following statements is false.

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  16. Identify the correct statements. (i) Carbon dioxide is used to exti...

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  17. Which of the following statements is/are correct? I. The flame of a ...

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  18. The different zones of a candle flame are marked by the letters A, B a...

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  19. The upper most part of match stick is made up of

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  20. Cheenu sets up an experiment as shown in the figure. What do you...

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