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A cricket ball of 0.5 kg is moving with a velocity of 100 m/ sec . The wavelength associated with its motion is:
(1) 1/ 100cm
(2) 6.6 x10 -34m
(3) 1.32 x 10 -35 m
(4) 6.6 x 10 -28 m
Ans: 1.32 x 10 -35 m
Bond-line Notation of organic compounds Occasionally, the bonds in between carbon atoms are denoted by lines. For instance, n -hexane has a continuous chain of six carbon atom
x(2x^-1/4)^4
The shape of d xy orbital will be: (1) Circular (2) Dumb-bell (3)Double dumb-bell (4) Trigonal Ans: Double dumb-bell
Total number of unpaired electrons in an atom of atomic number 29 is: (1) 1 (2) 3 (3) 4 (4) 2 Ans: 1
Q. What do you understand by dissolved oxygen in water? How does it create trouble in boiler? Give chemical methods with suitable reactions to remove it from the water. Ans.
After making an ester by heating a carboxylic acid with alcohol in the presence of concentrated sulfuric acid, water is added to the mixture and the ester seperates out as oily lay
find two different substances and how they are produced. Once you have this information, look at their properties and how they are used, and explain how these properties affect th
a) Write down the balanced reaction equation of the key reaction path. b) Which reactions can occur during further oxidation (except total oxidation) ? The us
Why transition elements form interstitial compound
what are the chemical reactionsof the p-block elements
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