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what is the lewis structure of lactic acid?
150ml of a gas at 27C is heated to 77C at constant pressure.find the new volume of the gas.
Which of the following has the least energy: (1) 2p (2) 3p (3) 2s (4) 4d Ans: 2s
Electronic configuration of ferric ion is: (1) [Ar] 3d 5 (2) [Ar] 3d 7 (3) [Ar] 3d 3 (4) [Ar] 3d 8 Ans: [Ar] 3d 5
Atoms with the different numbers of neutrons and same atomic number are known as isotopes. The chemical properties of an element are determined by wildly the charge on the nucleus,
Antiseptics doesn''t harm living cells whereas disinfectants harm living cells.and disinfectants are used to sterilize instruments and utensils but cant be used on skin....and the
The third line in Balmer series corresponds to an electronic transition between which Bohr's orbits in hydrogen: (1) 5 → 3 (2) 5 → 2 (3) 4→ 3
principle of radiometric titration
Glucose and Sucrose are soluble in water because they are polar compounds.SO they are soluble in polar compounds like water. Cyclohexane and Benzene are non polar compounds.They ar
At 350 degrees C, nitrogen has a velocity of 800m/s. Find the velocity of hydrogen at the same temperature
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