What is the function of diethyl amine?
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What will happen when a big piece of quick lime is dropped in water ?
in Einstein's mass energy relation e=mc2 for what is c used or why is light required for reactions. Because the reactions are with help of neutrons
Which gas used for purifying, air in underground enterprises ?
However ozone is heavier than oxygen still ozone is up there in sky why?
4.0 liters of oxygen are mixed with 8.0 liters of nitrogen. Identify the solute and solvent in this mixture:
What are hard waters?
which acid present in soda water?
What is Refractory Materials?
State lambert’s law.
What is the difference between fractionation and distillation?
What is mortar /
Why can?t snowballs be made in very cold weather ?