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Explain and Define standard feat of formation
Ans) The amount of heat liberated of absorbed when single mole of compound is formed in its standard state from its elements in their standard state is known as standard heat of formation ( Hf *)
The tendency to form electrovalent bond is largest in (1) A (2) B (3) C (4) D
what are the reactions of dihydric alcohol?
classification corrosion
Which of the following oxides of nitrogen is isoelectronic with CO 2: (1) No 2 (2) N 2 O (3) NO (4)N 2 O 2 Ans: N 2 O
give examples
how i can make assignment on this?
laws of chemical combinations
The increasing order (lowest first) for the values of e/m (charge/mass) for: (1) e,p,n,a (2) n,p,e,a, (3) n,p,a,e,
Q. Explain Preservation by Preservatives? Preservatives, as you may already know, belong to a class of food additives that extend shelf life by inhibiting microbial growth, o
why sodium react with water form a fair
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