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Why does a match-stick burn, when struck against the
match-box surface
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Answer / guest
Because heat id produced due to the friction and the red
phosphorus is ignited
| Is This Answer Correct ? | 20 Yes | 11 No |
Answer / sid
Because in mach-box have a chemical and mach-stick have also a
chemical and when both the chemicals struck mach-stick burn.
| Is This Answer Correct ? | 6 Yes | 5 No |
Why is the indicator eriochrome black(ebt) shows wine red color at the beginning and blue color at the end?
What will happen when a big piece of quick lime is dropped in water ?
When carbon is made to burn in an atmosphere of oxygen, what is produced ?
4.0 liters of oxygen are mixed with 8.0 liters of nitrogen. Identify the solute and solvent in this mixture:
Why are the titration involving edta carried out slowly towards the end point?
What is fluidity of a liquid?
Mention a few important criteria for satisfactory colorimetric analysis.
why bottles of Hazardous chemicals or solvent are available in round shaped only?
Why is the total eclipse of the earth a rare phenomenon ?
Why metallic tools used by blacksmiths have wooden handles ?
While standing on railway platform and heating the whistle of an engine coming towards us , we hear the sound increasing; bit when the engine is receding from us it appears to fall why ?
What is General Properties of Acids ?
4 Answers College School Exams Tests, TCS,
Organic Chemistry 
