How are the waters classified based on the degree of hardness?
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What variety of carbon is used for refining purposes ?
What is the Chemical Combination ?
Explain the following ? Matter, Element, Atom, Compound, Molecule, Mixture, Physical change, Chemical change
What is phase transfer catalyst?
What is si unit of viscosity-coefficient?
Explain the Fuel gases ?
Explain extraction of ephedrine from a mineral block?
Why is dew formed more readily on clear nights than on cloudy ones ?
Explain the Different types of solutions ?
State lambert’s law.
Explain the Element?
Why is clinical thermometer used in preference to and ordinary Fahrenheit thermometer ?