Which wavelengths are visible to human eye?
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What is glacial acetic acid?
What is the min constitutes of haematite ore?
Why does oil thrown on rough sea make it calmer ?
Which metal is used for coating the backs of the mirrors ?
In winter, on a cold morning, the cement feels colder to the foot than a carpet. Why ?
Why is ph increases suddenly after the equivalence point?
Why are leaves of trees green ?
State lambert’s law.
Why and how is short-circuit caused ?
What is kentchin? Is it real? As much info on it as possible.
Explain the Matter?
What is the use of nitrogen in air ?