my quiz Quiz

Question Number 1 probability of finding electron is zero at............ A. nodal plane B. nodes C. both D. none of these Question Number 2 which has highest melting point at 4c A. methane B. ethane C. water D. alcohol E. ester Question Number 3 what is the shape of water and bond angle between water molecle is A. tetrahedral,104degree25min B. triangular planer,120 degree C. see saw,104degree20min D. tetrahedral,112degree28 min E. none of these Question Number 4 stongest acid in chemistry is A. HYDROCHLORIC ACID B. NITRIC ACID C. MAGIC ACID D. HYDRO FLORIC ACID Question Number 5 WHICH OF THE FOLLOWING HAS HIGHEST FRIQUENCY A. COSMIC B. GAMMA C. UV D. INFRARED Question Number 6 A 25WATT BULB EMITS A RADIATION OF 4000A CALCULATE THE NO OY PHOTONS EMITTED FROM THIS BULB IN 1 SEC A. 6*10POWER22 B. 5*10POWER19 C. 2.34*10POWER22 D. NONE OF THESE Question Number 7 LARGEST ION IN AQUEOUS MEDIUM IS A. RB+ B. CA+2 C. LI+ D. BE+2 Question Number 8 IONISTION ENERGY ORDER IN BORON FAMILY IS A. B>AL>GA>IN>TL B. B>GA>TL>AL>IN C. TL>IN>GA>AL>B D. NONE OF THESE Question Number 9 ELECTRO AFFINITY IN OXYGEN FAMILY IS A. O>S>SE>TE>PO B. S>SE>TE>PO>O C. PO>TE>SE>S>O D. NONE OF THESE Question Number 10 BOND ORDER OF PEROXYFORMIC ACID IS A. 2 B. 3 C. 4 D. 5