Which metal is used for coating the backs of the mirrors ?
Answer Posted / guest
Lead.
| Is This Answer Correct ? | 1 Yes | 2 No |
Post New Answer View All Answers
Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region?
Why is eriochrome black t indicator cannot be used in this experiment?
Write the chemical formula for epsom salts?
How do you express the total hardness of water?
What is dextro-rotatory and levo-rotatory?
Why is ph increases suddenly after the equivalence point?
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?
Mention a few important criteria for satisfactory colorimetric analysis.
What is the difference between fractionation and distillation?
What is buffer?
Mention the formula to calculate ph of a solution?
why do hard water never produce foam when a soap is dissolved?
why is acetic acid less conductive than hcl?
Why is ammonia added? Why is that same amount of ammonia added?
what is the relation between Total organic carbon and Chemical Oxygen demand?