who invented the first projector?
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Distinguish between lime water and milk of lime ?
How are pka and strength of a weak acid related?
What is the composition of stainless steel ?
Why Nitric acid can be stored in Aluminium containers?
How many elements have been discovered ?
Explain substituted hydrocarbon?
Explain the Properties of Gases ?
What will happen when a big piece of quick lime is dropped in water ?
What is Bases ?
From what was Uranium isolated ?
however ozone is havier than oxygen still ozone is up there in sky why?
Acid value definition is number milligrams of koh required to nuetralise the acid present in one gram oil & fats but why not use naoh for nuetralisation?