what is the relation between Total organic carbon and Chemical
Oxygen demand?
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Why is disodium salt of edta preferred to edta?
Write the equation of photosynthesis?
What is german silver?
Explain the Charle?s law ?
What is engymes?
when we covert any substance into vapour state from solid state, is it ionized or not?
What is the colour of diamond, when pure ?
Why do you require laboratory temperature for viscosity determination?
What is the acidity of a base
Why are the bright circles of light seem under the trees, when the sun shines?
What are filters? Why are they used?
Explain the Element?