What variety of carbon is used for refining purposes ?
Mention the different types of conductivities.
What will happen when a big piece of quick lime is dropped in water ?
however ozone is havier than oxygen still ozone is up there in sky why?
Explain the Matter?
how much tds is ok for drinking water
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Which element is nether a solid nor a liquid?
What is the min constitutes of haematite ore?
Why is sodium preserved in kerosene oil ?
What is the role of mercuric sulphate?
what is the equation for iodine and starch when they are combined?
Arrange by acidic values : phenol, nitrotolouene and o-cresol?
What important property of water makes it possible for plants to grow under it and for animals to live it ?