Why would we all suffocate, if all the green plants were
killed ?
Answer / guest
Green plants are necessary, because they are continually
taking carbon-dioxide is used by the green plants for the
manufacture of sugar.
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Define what is oxidation and reduction reaction?
What is given off on burning a candle ?
Is air mixture or compound ?
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?
What are the advantages of conductometric titration over visual or potentiometric titration?
State beer’s law.
In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?
Explain the Chemical change?
what is the difference between heat and temperature?
Why is sulphuric acid added during the preparation of standard fas solution?
describe the lewis dot structure of Mg2+?
What is Sublimation ?