Explain the following ? Matter, Element, Atom, Compound, Molecule, Mixture, Physical change, Chemical change
1 4832Post New General Chemistry Questions
Why is mercuric chloride added?
What is the chemical formula of alum?
What is weak acid?
Why is the color of the indicator drop remains the same at the end point?
why is their exotherm while addition of reducing agents in reduction reaction?
How is measurement of ph made?
What are the products formed after cod analysis?
what is difference b/w "regio selectivity" & "sterio selectivity"
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?
Define what is avogadro’s law?
What is glacial acetic acid? What are its uses?
Define what is oxidation and reduction reaction?
why do hard water never produce foam when a soap is dissolved?
What is a cell?
How is hardness of water caused?