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#question.what is chemical structures and names of first 20 mono carboxylic acid? .
Uses of Acid Amides (a) Acid Amides used in organic synthesis. The compounds like methyl cyanide, Methylamine and ethylamine can be prepared. (b) Acid Amides used in leathe
properties of halogens
Which is the correct relationship between wavelength and momentum of particles: (1) γ= h/ p (2) Π h/ p (3) p= h/ γ (4) h= p/ γ Ans: γ= h/ p
The ratio between the neutrons in C and Si with respect to atomic masses 12 and 28 is: (1) 2 : 3 (2) 3 : 2 (3) 3 : 7 (4) 7 : 3 Ans: 3 : 7
The maximum number of unpaired electron can be present in d orbitals are: (1) 1 (2) 3 (3) 5 (4) 7 Ans: 5
A Carnot heat engine gets heat at 800 K and rejects the waste heat to the environment at 300 K. The whole work output of the heat engine is used to drive a Carnot refrigerator that
Q. What condensed matter? Ans. There are four states of matter: solid, liquid, gas, and plasma. In this chapter, we will study liquids and solids which are called condens
Drying of Organic Substances- purification of organic compounds Several solids are dried first by pressing them gently in between folds of filter papers. Compounds that neither
What metals combine with non-metals, the metal atom tends to: (1) Lose electrons (2) Gain electrons (3) Remain electrically neutral (4)
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