311. Distance at which attractive forces of hydrogen overcome repulsive forces is __________ ?
A. 75.2pm
B. 75.3pm
C. 75.5pm
D. 75.4pm

312. Quantum numbers are __________ ?
A. Arithmetical values
B. Numerical values
C. Leo metric values
D. Logical values

313. Column of manometer which faces liquid is __________ ?
A. Raised
B. Depressed
C. Compressed
D. Remains same

314. Process used to separate insoluble particles from liquids is ___________ ?
A. Drying
B. Filtration
C. Sieving
D. Extraction

315. Effective volume is usually taken for ____________ ?
A. 2 moles of gas
B. 1 mole of gas
C. 5 moles of gas
D. 3moles of gas

316. In whole Periodic Table which element Is Most Reducing Agent ?
A. Chlorine
B. lithium
C. Helium
D. Neon

317. The amount of Zinc (at. Wt=65) necessary to produce 224 ml of H2 by the reaction with an acid will be______?
A. 0.065gm
B. 0.65gm
C. 6.5gm
D. 7.5gm

318. Which of the following compounds is not soluble in HNO3___?
A. CuS
B. CdS
C. PbS
D. AgCl

319. Following are the anions of soap which form Ca and Mg ions which we see as curd in water
A. Sodium hexadecanoate
B. Sodium octadecanoate
C. Sodium pentadecanoate
D. Both A & B

320. The hybridization of nitrogen atom in pyridine is_______?
A. Sp
B. Sp2
C. Sp3
D. It is not hybridized