What is the purpose of adding urea?
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Define Atom ?
What is the resulting solution when benzene and toluene are mixed ?
What is soot or lamp black ?
which of the following is the best conductor of electricity?
Why is an echo not heard in a small room ?
Explain the Hard and Soft water ?
when we covert any substance into vapour state from solid state, is it ionized or not?
What is Bases ?
Why is glass electrode called an ion selective electrode?
What is kentchin? Is it real?
In winter, on a cold morning, the cement feels colder to the foot than a carpet. Why ?
which acid present in soda water?