What is phase transfer catalyst?
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Mention a few important criteria for satisfactory colorimetric analysis.
Which of the above conductivity measured during conductometric titration?
Which halogen element is used in halogen light?
Distinguish between lime water and milk of lime ?
what is the difference between heat and temperature?
Which element is nether a solid nor a liquid?
Why is estimation of copper done at 620 nm wave length?
Why is a vessel of water heats more quickly, when heat is applied at the bottom than it is heated at the top?
How is wood charcoal manufactured ?
what is the valence of nitrogen?
What are the names of the three different rays emitted by radioactive substances ?
How are the waters classified based on the degree of hardness?