What is the min constitutes of haematite ore?
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Give the others form of iron ore.
Why do woolen clothes keep us warm in winter ?
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Why titration in which hcl and h2so4 is use?
What do you mean by UV cut off limit
Explain the Conversion of atmospheric Nitrogen to plant ?
What is the molarity of a NaOH solution if 32.47ml. isrequired to titrate 0.6013g of potassium hydrogen phthalate?
Why is sulphuric acid added during the preparation of standard fas solution?
Cholesterol is a compound suspected of causing hardening of the arteries. The formula of cholesterol is C27H46O. a. A sample of cholesterol is isolated from the arterial lining of a 60-year-old American male. What is the formula of this compound? b. Cholesterol is extracted from a chicken’s egg. What is the formula of this compound?
Why do you require laboratory temperature for viscosity determination?
Which metal is used for coating the backs of the mirrors ?
Explain about Characters of Catalytic Reactions ?
If the stopper if a bottle has stuck, sometimes it may be removed by heating the neck, why ?