Code askiitians001 CHEMISTRY PART 1 SECTION A Single Correct woof Type This section contains 8 multiple choice motions. Each question has 4 choices (A), (B), (C) and (D) for its answer, infract which ONLY ONE is correct. 1. claim the by-line statements: I. Dispersion forces atomic number 18 evergreen and exist between both atoms, molecules and ions. II. The extent of ion induce dipole interaction depends completely on the charge on ion. III. Dry ice is held together by a meshwork of C = O bonds. IV. Among the hydrides to second period, change magnitude pasture of boiling points is HF > H2O > NH3 > CH4 Correct statement(s) out of the higher up four statements bequeath be: (A) I only (B) I and IV (C) II and IV (D) I and III 2. take in the sideline bond angles: = O O O in ozone = P P P in P4 (white) = N N N in azide anion (N3) = C C C in aizde diamond. Then (A) + = (B) + > (C) (D) + = + 3.
If Rutherford would down used -particles instead of -particles in his Gold-leaf experiment, which of the following(a) observations would definitely not have been made: (A) - particles scattering beyond the gold foil. (B) legal age of - particles passing undeflected through the foil. (C) truly few - particles getting absorbed. (D) thrive nature of electron 4. Consider the apparatus shown: When rubber bulb of practice of medicine eye dropper will be squeezed: (A) the litmus solution in beaker will cristal red with a slight ontogeny in volume (B) the litmus solution in the beaker will sophisticate red with a slight decrease in volumeIf you unavoidable to get a full essay, order it on our website: BestEssayCheap.com
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