What is photoelectric colorimeter?
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What is the role of silver sulphate?
Why is ph increases suddenly after the equivalence point?
Mention a few application of cod test in environmental engineering practice.
How are pka and strength of a weak acid related?
What is Atomic number?
what is the formula of diesel,petrol & CNG too?
if this element X combines with another element Y whose electronic configuration is 2, 8, 7 what will be the formula of the compound thus formed? State how did you arrive at this formula
What is density of a liquid?
From what raw material is paper manufactured ?
What is quick lime ?
Write the chemical formula for epsom salts?
What is OOS $ OOT ?