Why is ammonium hydroxide added to the brass solution?
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Why a hot day in Calcutta causes more discomfort than are equally hot day in Delhi ?
What is si unit of viscosity-coefficient?
Give the principle of potentiometer titration.
however ozone is havier than oxygen still ozone is up there in sky why?
Why metallic tools used by blacksmiths have wooden handles ?
which of the following is the best conductor of electricity?
What is german silver?
Difference between Physical and Chemical change ?
Is air mixture or compound ?
What are the factors that affect the viscosity of a liquid?
Why is disodium salt of edta preferred to edta?
Mention a few advantages of photoelectric colorimetric determination.