What is edta?
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how much tds is ok for drinking water
1 Answers IGCAR, SG Phyto Pharma,
what is acidity of a base?
Mention a few application of cod test in environmental engineering practice.
Does domestic/household used kerosene oil which is available in blue color (In India) can change its color over the due course of time say 8-10 years if keeping in plastic bottle? If so, in which color it will be turned to change, yellow or transparent or any other color. Please provide me the reply with strong technical approach. Since it has been asked during an interview. Please reply fast. I will be thankful to you if anyone can provide the supporting journals/write-ups/reference to favour of response.
why in atomic mass electron is not include while proton and neutron include? although electron is a part of atom.
What is phase transfer catalyst?
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Why does a piece of iron float on mercury, but sink in water ?
it is possible that the air dissolves in any solvent?
1 Answers BPCL Bharat Petroleum,
What is viscosity-coefficient of a liquid?
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Why is disodium salt of edta preferred to edta?